Home / 89,154.12-133,702.02-29,973.90

Finding the Fourth Proportional to 89,154.12, 133,702.02 and 29,973.90

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Solution

The fourth proportional to 89,154.12, 133,702.02 and 29,973.90 is: 44,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.12 : 133,702.02 = 29,973.90 : x
  2. Step 2: Convert to fraction form
    89,154.12/133,702.02 = 29,973.90/x
  3. Step 3: Cross multiply
    89,154.12x = 133,702.02 × 29,973.90
  4. Step 4: Simplify right side
    89,154.12x = 4,007,570,977.28
  5. Step 5: Solve for x
    x = 4,007,570,977.28/89,154.12
  6. Step 6: Final answer
    x = 44,951.05

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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.