Home / 112,972.04-155,901.56-62,671.04

Finding the Fourth Proportional to 112,972.04, 155,901.56 and 62,671.04

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Solution

The fourth proportional to 112,972.04, 155,901.56 and 62,671.04 is: 86,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,972.04 : 155,901.56 = 62,671.04 : x
  2. Step 2: Convert to fraction form
    112,972.04/155,901.56 = 62,671.04/x
  3. Step 3: Cross multiply
    112,972.04x = 155,901.56 × 62,671.04
  4. Step 4: Simplify right side
    112,972.04x = 9,770,512,902.82
  5. Step 5: Solve for x
    x = 9,770,512,902.82/112,972.04
  6. Step 6: Final answer
    x = 86,486.12

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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.