Home / 91,784.52-137,718.10-49,615.24

Finding the Fourth Proportional to 91,784.52, 137,718.10 and 49,615.24

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Solution

The fourth proportional to 91,784.52, 137,718.10 and 49,615.24 is: 74,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784.52 : 137,718.10 = 49,615.24 : x
  2. Step 2: Convert to fraction form
    91,784.52/137,718.10 = 49,615.24/x
  3. Step 3: Cross multiply
    91,784.52x = 137,718.10 × 49,615.24
  4. Step 4: Simplify right side
    91,784.52x = 6,832,916,583.84
  5. Step 5: Solve for x
    x = 6,832,916,583.84/91,784.52
  6. Step 6: Final answer
    x = 74,445.20

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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.