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Finding the Fourth Proportional to 108,590.76, 162,878.45 and 33,709.10

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Solution

The fourth proportional to 108,590.76, 162,878.45 and 33,709.10 is: 50,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590.76 : 162,878.45 = 33,709.10 : x
  2. Step 2: Convert to fraction form
    108,590.76/162,878.45 = 33,709.10/x
  3. Step 3: Cross multiply
    108,590.76x = 162,878.45 × 33,709.10
  4. Step 4: Simplify right side
    108,590.76x = 5,490,484,975.96
  5. Step 5: Solve for x
    x = 5,490,484,975.96/108,590.76
  6. Step 6: Final answer
    x = 50,561.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.