Home / 47,713.10-71,569.65-43,120.40

Finding the Fourth Proportional to 47,713.10, 71,569.65 and 43,120.40

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Solution

The fourth proportional to 47,713.10, 71,569.65 and 43,120.40 is: 64,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.10 : 71,569.65 = 43,120.40 : x
  2. Step 2: Convert to fraction form
    47,713.10/71,569.65 = 43,120.40/x
  3. Step 3: Cross multiply
    47,713.10x = 71,569.65 × 43,120.40
  4. Step 4: Simplify right side
    47,713.10x = 3,086,111,935.86
  5. Step 5: Solve for x
    x = 3,086,111,935.86/47,713.10
  6. Step 6: Final answer
    x = 64,680.60

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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.