Home / 115,638.32-159,582.12-67,892.24

Finding the Fourth Proportional to 115,638.32, 159,582.12 and 67,892.24

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Solution

The fourth proportional to 115,638.32, 159,582.12 and 67,892.24 is: 93,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,638.32 : 159,582.12 = 67,892.24 : x
  2. Step 2: Convert to fraction form
    115,638.32/159,582.12 = 67,892.24/x
  3. Step 3: Cross multiply
    115,638.32x = 159,582.12 × 67,892.24
  4. Step 4: Simplify right side
    115,638.32x = 10,834,387,590.75
  5. Step 5: Solve for x
    x = 10,834,387,590.75/115,638.32
  6. Step 6: Final answer
    x = 93,692.02

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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.