Home / 115,114.04-172,671.60-40,233.86

Finding the Fourth Proportional to 115,114.04, 172,671.60 and 40,233.86

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Solution

The fourth proportional to 115,114.04, 172,671.60 and 40,233.86 is: 60,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,114.04 : 172,671.60 = 40,233.86 : x
  2. Step 2: Convert to fraction form
    115,114.04/172,671.60 = 40,233.86/x
  3. Step 3: Cross multiply
    115,114.04x = 172,671.60 × 40,233.86
  4. Step 4: Simplify right side
    115,114.04x = 6,947,244,980.38
  5. Step 5: Solve for x
    x = 6,947,244,980.38/115,114.04
  6. Step 6: Final answer
    x = 60,350.98

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1.5x scale

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.