Home / 87,263.42-130,774.02-39,762.43

Finding the Fourth Proportional to 87,263.42, 130,774.02 and 39,762.43

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Solution

The fourth proportional to 87,263.42, 130,774.02 and 39,762.43 is: 59,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.42 : 130,774.02 = 39,762.43 : x
  2. Step 2: Convert to fraction form
    87,263.42/130,774.02 = 39,762.43/x
  3. Step 3: Cross multiply
    87,263.42x = 130,774.02 × 39,762.43
  4. Step 4: Simplify right side
    87,263.42x = 5,199,892,162.20
  5. Step 5: Solve for x
    x = 5,199,892,162.20/87,263.42
  6. Step 6: Final answer
    x = 59,588.45

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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.