Home / 63,135.81-87,129.51-34,457.04

Finding the Fourth Proportional to 63,135.81, 87,129.51 and 34,457.04

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Solution

The fourth proportional to 63,135.81, 87,129.51 and 34,457.04 is: 47,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.81 : 87,129.51 = 34,457.04 : x
  2. Step 2: Convert to fraction form
    63,135.81/87,129.51 = 34,457.04/x
  3. Step 3: Cross multiply
    63,135.81x = 87,129.51 × 34,457.04
  4. Step 4: Simplify right side
    63,135.81x = 3,002,225,011.25
  5. Step 5: Solve for x
    x = 3,002,225,011.25/63,135.81
  6. Step 6: Final answer
    x = 47,551.86

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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.