Home / 91,771.30-137,627.79-62,378.02

Finding the Fourth Proportional to 91,771.30, 137,627.79 and 62,378.02

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Solution

The fourth proportional to 91,771.30, 137,627.79 and 62,378.02 is: 93,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.30 : 137,627.79 = 62,378.02 : x
  2. Step 2: Convert to fraction form
    91,771.30/137,627.79 = 62,378.02/x
  3. Step 3: Cross multiply
    91,771.30x = 137,627.79 × 62,378.02
  4. Step 4: Simplify right side
    91,771.30x = 8,584,949,037.18
  5. Step 5: Solve for x
    x = 8,584,949,037.18/91,771.30
  6. Step 6: Final answer
    x = 93,547.21

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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.