Home / 77,708.90-116,409.02-59,877.70

Finding the Fourth Proportional to 77,708.90, 116,409.02 and 59,877.70

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Solution

The fourth proportional to 77,708.90, 116,409.02 and 59,877.70 is: 89,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708.90 : 116,409.02 = 59,877.70 : x
  2. Step 2: Convert to fraction form
    77,708.90/116,409.02 = 59,877.70/x
  3. Step 3: Cross multiply
    77,708.90x = 116,409.02 × 59,877.70
  4. Step 4: Simplify right side
    77,708.90x = 6,970,304,235.53
  5. Step 5: Solve for x
    x = 6,970,304,235.53/77,708.90
  6. Step 6: Final answer
    x = 89,697.63

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1.5x scale

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.