Home / 87,263.55-130,774.20-39,762.55

Finding the Fourth Proportional to 87,263.55, 130,774.20 and 39,762.55

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Solution

The fourth proportional to 87,263.55, 130,774.20 and 39,762.55 is: 59,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.55 : 130,774.20 = 39,762.55 : x
  2. Step 2: Convert to fraction form
    87,263.55/130,774.20 = 39,762.55/x
  3. Step 3: Cross multiply
    87,263.55x = 130,774.20 × 39,762.55
  4. Step 4: Simplify right side
    87,263.55x = 5,199,915,666.21
  5. Step 5: Solve for x
    x = 5,199,915,666.21/87,263.55
  6. Step 6: Final answer
    x = 59,588.63

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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.