Home / 113,618.09-156,785.92-62,628.18

Finding the Fourth Proportional to 113,618.09, 156,785.92 and 62,628.18

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Solution

The fourth proportional to 113,618.09, 156,785.92 and 62,628.18 is: 86,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,618.09 : 156,785.92 = 62,628.18 : x
  2. Step 2: Convert to fraction form
    113,618.09/156,785.92 = 62,628.18/x
  3. Step 3: Cross multiply
    113,618.09x = 156,785.92 × 62,628.18
  4. Step 4: Simplify right side
    113,618.09x = 9,819,216,758.32
  5. Step 5: Solve for x
    x = 9,819,216,758.32/113,618.09
  6. Step 6: Final answer
    x = 86,423.01

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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.