Home / 112,459.73-155,191.53-61,472.59

Finding the Fourth Proportional to 112,459.73, 155,191.53 and 61,472.59

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Solution

The fourth proportional to 112,459.73, 155,191.53 and 61,472.59 is: 84,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,459.73 : 155,191.53 = 61,472.59 : x
  2. Step 2: Convert to fraction form
    112,459.73/155,191.53 = 61,472.59/x
  3. Step 3: Cross multiply
    112,459.73x = 155,191.53 × 61,472.59
  4. Step 4: Simplify right side
    112,459.73x = 9,540,024,519.21
  5. Step 5: Solve for x
    x = 9,540,024,519.21/112,459.73
  6. Step 6: Final answer
    x = 84,830.58

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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.