Home / 87,527.70-130,999.95-77,030.10

Finding the Fourth Proportional to 87,527.70, 130,999.95 and 77,030.10

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Solution

The fourth proportional to 87,527.70, 130,999.95 and 77,030.10 is: 115,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,527.70 : 130,999.95 = 77,030.10 : x
  2. Step 2: Convert to fraction form
    87,527.70/130,999.95 = 77,030.10/x
  3. Step 3: Cross multiply
    87,527.70x = 130,999.95 × 77,030.10
  4. Step 4: Simplify right side
    87,527.70x = 10,090,939,248.50
  5. Step 5: Solve for x
    x = 10,090,939,248.50/87,527.70
  6. Step 6: Final answer
    x = 115,288.52

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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.