Home / 43,130.83-64,657.76-16,829.45

Finding the Fourth Proportional to 43,130.83, 64,657.76 and 16,829.45

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Solution

The fourth proportional to 43,130.83, 64,657.76 and 16,829.45 is: 25,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,130.83 : 64,657.76 = 16,829.45 : x
  2. Step 2: Convert to fraction form
    43,130.83/64,657.76 = 16,829.45/x
  3. Step 3: Cross multiply
    43,130.83x = 64,657.76 × 16,829.45
  4. Step 4: Simplify right side
    43,130.83x = 1,088,154,539.03
  5. Step 5: Solve for x
    x = 1,088,154,539.03/43,130.83
  6. Step 6: Final answer
    x = 25,229.16

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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.