Home / 63,070.38-87,043.21-47,127.15

Finding the Fourth Proportional to 63,070.38, 87,043.21 and 47,127.15

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Solution

The fourth proportional to 63,070.38, 87,043.21 and 47,127.15 is: 65,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.38 : 87,043.21 = 47,127.15 : x
  2. Step 2: Convert to fraction form
    63,070.38/87,043.21 = 47,127.15/x
  3. Step 3: Cross multiply
    63,070.38x = 87,043.21 × 47,127.15
  4. Step 4: Simplify right side
    63,070.38x = 4,102,098,296.33
  5. Step 5: Solve for x
    x = 4,102,098,296.33/63,070.38
  6. Step 6: Final answer
    x = 65,040.01

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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.