Home / 109,591.08-151,235.58-61,854.60

Finding the Fourth Proportional to 109,591.08, 151,235.58 and 61,854.60

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Solution

The fourth proportional to 109,591.08, 151,235.58 and 61,854.60 is: 85,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,591.08 : 151,235.58 = 61,854.60 : x
  2. Step 2: Convert to fraction form
    109,591.08/151,235.58 = 61,854.60/x
  3. Step 3: Cross multiply
    109,591.08x = 151,235.58 × 61,854.60
  4. Step 4: Simplify right side
    109,591.08x = 9,354,616,306.67
  5. Step 5: Solve for x
    x = 9,354,616,306.67/109,591.08
  6. Step 6: Final answer
    x = 85,359.29

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1.5x scale

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.