Home / 104,985.72-157,468.86-38,423.16

Finding the Fourth Proportional to 104,985.72, 157,468.86 and 38,423.16

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Solution

The fourth proportional to 104,985.72, 157,468.86 and 38,423.16 is: 57,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,985.72 : 157,468.86 = 38,423.16 : x
  2. Step 2: Convert to fraction form
    104,985.72/157,468.86 = 38,423.16/x
  3. Step 3: Cross multiply
    104,985.72x = 157,468.86 × 38,423.16
  4. Step 4: Simplify right side
    104,985.72x = 6,050,451,202.80
  5. Step 5: Solve for x
    x = 6,050,451,202.80/104,985.72
  6. Step 6: Final answer
    x = 57,631.18

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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.