Home / 109,319.52-150,870.12-61,582.24

Finding the Fourth Proportional to 109,319.52, 150,870.12 and 61,582.24

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Solution

The fourth proportional to 109,319.52, 150,870.12 and 61,582.24 is: 84,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,319.52 : 150,870.12 = 61,582.24 : x
  2. Step 2: Convert to fraction form
    109,319.52/150,870.12 = 61,582.24/x
  3. Step 3: Cross multiply
    109,319.52x = 150,870.12 × 61,582.24
  4. Step 4: Simplify right side
    109,319.52x = 9,290,919,938.67
  5. Step 5: Solve for x
    x = 9,290,919,938.67/109,319.52
  6. Step 6: Final answer
    x = 84,988.66

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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.