Home / 91,886.18-137,746.04-63,819.48

Finding the Fourth Proportional to 91,886.18, 137,746.04 and 63,819.48

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Solution

The fourth proportional to 91,886.18, 137,746.04 and 63,819.48 is: 95,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,886.18 : 137,746.04 = 63,819.48 : x
  2. Step 2: Convert to fraction form
    91,886.18/137,746.04 = 63,819.48/x
  3. Step 3: Cross multiply
    91,886.18x = 137,746.04 × 63,819.48
  4. Step 4: Simplify right side
    91,886.18x = 8,790,880,644.86
  5. Step 5: Solve for x
    x = 8,790,880,644.86/91,886.18
  6. Step 6: Final answer
    x = 95,671.41

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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.