Home / 112,415.60-155,126.04-62,113.52

Finding the Fourth Proportional to 112,415.60, 155,126.04 and 62,113.52

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Solution

The fourth proportional to 112,415.60, 155,126.04 and 62,113.52 is: 85,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,415.60 : 155,126.04 = 62,113.52 : x
  2. Step 2: Convert to fraction form
    112,415.60/155,126.04 = 62,113.52/x
  3. Step 3: Cross multiply
    112,415.60x = 155,126.04 × 62,113.52
  4. Step 4: Simplify right side
    112,415.60x = 9,635,424,388.06
  5. Step 5: Solve for x
    x = 9,635,424,388.06/112,415.60
  6. Step 6: Final answer
    x = 85,712.52

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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.