Home / 97,766.52-134,827.38-61,895.40

Finding the Fourth Proportional to 97,766.52, 134,827.38 and 61,895.40

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Solution

The fourth proportional to 97,766.52, 134,827.38 and 61,895.40 is: 85,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,766.52 : 134,827.38 = 61,895.40 : x
  2. Step 2: Convert to fraction form
    97,766.52/134,827.38 = 61,895.40/x
  3. Step 3: Cross multiply
    97,766.52x = 134,827.38 × 61,895.40
  4. Step 4: Simplify right side
    97,766.52x = 8,345,194,616.05
  5. Step 5: Solve for x
    x = 8,345,194,616.05/97,766.52
  6. Step 6: Final answer
    x = 85,358.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.