Home / 63,437.12-87,543.96-35,143.28

Finding the Fourth Proportional to 63,437.12, 87,543.96 and 35,143.28

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Solution

The fourth proportional to 63,437.12, 87,543.96 and 35,143.28 is: 48,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,437.12 : 87,543.96 = 35,143.28 : x
  2. Step 2: Convert to fraction form
    63,437.12/87,543.96 = 35,143.28/x
  3. Step 3: Cross multiply
    63,437.12x = 87,543.96 × 35,143.28
  4. Step 4: Simplify right side
    63,437.12x = 3,076,581,898.59
  5. Step 5: Solve for x
    x = 3,076,581,898.59/63,437.12
  6. Step 6: Final answer
    x = 48,498.13

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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.