Home / 86,555.40-129,831.74-44,411.15

Finding the Fourth Proportional to 86,555.40, 129,831.74 and 44,411.15

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Solution

The fourth proportional to 86,555.40, 129,831.74 and 44,411.15 is: 66,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,555.40 : 129,831.74 = 44,411.15 : x
  2. Step 2: Convert to fraction form
    86,555.40/129,831.74 = 44,411.15/x
  3. Step 3: Cross multiply
    86,555.40x = 129,831.74 × 44,411.15
  4. Step 4: Simplify right side
    86,555.40x = 5,765,977,148.97
  5. Step 5: Solve for x
    x = 5,765,977,148.97/86,555.40
  6. Step 6: Final answer
    x = 66,616.03

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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.