Home / 113,826.40-157,079.56-62,839.16

Finding the Fourth Proportional to 113,826.40, 157,079.56 and 62,839.16

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Solution

The fourth proportional to 113,826.40, 157,079.56 and 62,839.16 is: 86,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,826.40 : 157,079.56 = 62,839.16 : x
  2. Step 2: Convert to fraction form
    113,826.40/157,079.56 = 62,839.16/x
  3. Step 3: Cross multiply
    113,826.40x = 157,079.56 × 62,839.16
  4. Step 4: Simplify right side
    113,826.40x = 9,870,747,603.57
  5. Step 5: Solve for x
    x = 9,870,747,603.57/113,826.40
  6. Step 6: Final answer
    x = 86,717.56

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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.