Home / 83,256.12-124,945.74-61,126.92

Finding the Fourth Proportional to 83,256.12, 124,945.74 and 61,126.92

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Solution

The fourth proportional to 83,256.12, 124,945.74 and 61,126.92 is: 91,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,256.12 : 124,945.74 = 61,126.92 : x
  2. Step 2: Convert to fraction form
    83,256.12/124,945.74 = 61,126.92/x
  3. Step 3: Cross multiply
    83,256.12x = 124,945.74 × 61,126.92
  4. Step 4: Simplify right side
    83,256.12x = 7,637,548,253.32
  5. Step 5: Solve for x
    x = 7,637,548,253.32/83,256.12
  6. Step 6: Final answer
    x = 91,735.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.