Home / 86,587.02-129,765.71-44,465.40

Finding the Fourth Proportional to 86,587.02, 129,765.71 and 44,465.40

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Solution

The fourth proportional to 86,587.02, 129,765.71 and 44,465.40 is: 66,639.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,587.02 : 129,765.71 = 44,465.40 : x
  2. Step 2: Convert to fraction form
    86,587.02/129,765.71 = 44,465.40/x
  3. Step 3: Cross multiply
    86,587.02x = 129,765.71 × 44,465.40
  4. Step 4: Simplify right side
    86,587.02x = 5,770,084,312.60
  5. Step 5: Solve for x
    x = 5,770,084,312.60/86,587.02
  6. Step 6: Final answer
    x = 66,639.14

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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.