Home / 112,673.60-155,490.72-62,371.52

Finding the Fourth Proportional to 112,673.60, 155,490.72 and 62,371.52

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Solution

The fourth proportional to 112,673.60, 155,490.72 and 62,371.52 is: 86,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,673.60 : 155,490.72 = 62,371.52 : x
  2. Step 2: Convert to fraction form
    112,673.60/155,490.72 = 62,371.52/x
  3. Step 3: Cross multiply
    112,673.60x = 155,490.72 × 62,371.52
  4. Step 4: Simplify right side
    112,673.60x = 9,698,192,552.29
  5. Step 5: Solve for x
    x = 9,698,192,552.29/112,673.60
  6. Step 6: Final answer
    x = 86,073.34

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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.