Home / 98,117.40-135,456.30-67,535.04

Finding the Fourth Proportional to 98,117.40, 135,456.30 and 67,535.04

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Solution

The fourth proportional to 98,117.40, 135,456.30 and 67,535.04 is: 93,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,117.40 : 135,456.30 = 67,535.04 : x
  2. Step 2: Convert to fraction form
    98,117.40/135,456.30 = 67,535.04/x
  3. Step 3: Cross multiply
    98,117.40x = 135,456.30 × 67,535.04
  4. Step 4: Simplify right side
    98,117.40x = 9,148,046,638.75
  5. Step 5: Solve for x
    x = 9,148,046,638.75/98,117.40
  6. Step 6: Final answer
    x = 93,235.72

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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.