Home / 113,010.85-155,962.26-62,709.85

Finding the Fourth Proportional to 113,010.85, 155,962.26 and 62,709.85

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Solution

The fourth proportional to 113,010.85, 155,962.26 and 62,709.85 is: 86,543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,010.85 : 155,962.26 = 62,709.85 : x
  2. Step 2: Convert to fraction form
    113,010.85/155,962.26 = 62,709.85/x
  3. Step 3: Cross multiply
    113,010.85x = 155,962.26 × 62,709.85
  4. Step 4: Simplify right side
    113,010.85x = 9,780,369,930.26
  5. Step 5: Solve for x
    x = 9,780,369,930.26/113,010.85
  6. Step 6: Final answer
    x = 86,543.64

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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.