Home / 86,219.60-129,314.40-23,875.52

Finding the Fourth Proportional to 86,219.60, 129,314.40 and 23,875.52

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Solution

The fourth proportional to 86,219.60, 129,314.40 and 23,875.52 is: 35,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,219.60 : 129,314.40 = 23,875.52 : x
  2. Step 2: Convert to fraction form
    86,219.60/129,314.40 = 23,875.52/x
  3. Step 3: Cross multiply
    86,219.60x = 129,314.40 × 23,875.52
  4. Step 4: Simplify right side
    86,219.60x = 3,087,448,543.49
  5. Step 5: Solve for x
    x = 3,087,448,543.49/86,219.60
  6. Step 6: Final answer
    x = 35,809.13

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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.