Home / 112,981.04-155,914.02-62,680.04

Finding the Fourth Proportional to 112,981.04, 155,914.02 and 62,680.04

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Solution

The fourth proportional to 112,981.04, 155,914.02 and 62,680.04 is: 86,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,981.04 : 155,914.02 = 62,680.04 : x
  2. Step 2: Convert to fraction form
    112,981.04/155,914.02 = 62,680.04/x
  3. Step 3: Cross multiply
    112,981.04x = 155,914.02 × 62,680.04
  4. Step 4: Simplify right side
    112,981.04x = 9,772,697,010.16
  5. Step 5: Solve for x
    x = 9,772,697,010.16/112,981.04
  6. Step 6: Final answer
    x = 86,498.56

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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.