Home / 113,010.75-155,962.13-62,709.75

Finding the Fourth Proportional to 113,010.75, 155,962.13 and 62,709.75

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Solution

The fourth proportional to 113,010.75, 155,962.13 and 62,709.75 is: 86,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,010.75 : 155,962.13 = 62,709.75 : x
  2. Step 2: Convert to fraction form
    113,010.75/155,962.13 = 62,709.75/x
  3. Step 3: Cross multiply
    113,010.75x = 155,962.13 × 62,709.75
  4. Step 4: Simplify right side
    113,010.75x = 9,780,345,868.22
  5. Step 5: Solve for x
    x = 9,780,345,868.22/113,010.75
  6. Step 6: Final answer
    x = 86,543.50

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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.