Home / 92,869.24-128,160.08-50,427.78

Finding the Fourth Proportional to 92,869.24, 128,160.08 and 50,427.78

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Solution

The fourth proportional to 92,869.24, 128,160.08 and 50,427.78 is: 69,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,869.24 : 128,160.08 = 50,427.78 : x
  2. Step 2: Convert to fraction form
    92,869.24/128,160.08 = 50,427.78/x
  3. Step 3: Cross multiply
    92,869.24x = 128,160.08 × 50,427.78
  4. Step 4: Simplify right side
    92,869.24x = 6,462,828,387.28
  5. Step 5: Solve for x
    x = 6,462,828,387.28/92,869.24
  6. Step 6: Final answer
    x = 69,590.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.