Home / 88,511.40-122,148.14-48,225.78

Finding the Fourth Proportional to 88,511.40, 122,148.14 and 48,225.78

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Solution

The fourth proportional to 88,511.40, 122,148.14 and 48,225.78 is: 66,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.40 : 122,148.14 = 48,225.78 : x
  2. Step 2: Convert to fraction form
    88,511.40/122,148.14 = 48,225.78/x
  3. Step 3: Cross multiply
    88,511.40x = 122,148.14 × 48,225.78
  4. Step 4: Simplify right side
    88,511.40x = 5,890,689,085.92
  5. Step 5: Solve for x
    x = 5,890,689,085.92/88,511.40
  6. Step 6: Final answer
    x = 66,552.89

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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.