Home / 124,724.49-172,117.19-70,279.46

Finding the Fourth Proportional to 124,724.49, 172,117.19 and 70,279.46

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Solution

The fourth proportional to 124,724.49, 172,117.19 and 70,279.46 is: 96,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,724.49 : 172,117.19 = 70,279.46 : x
  2. Step 2: Convert to fraction form
    124,724.49/172,117.19 = 70,279.46/x
  3. Step 3: Cross multiply
    124,724.49x = 172,117.19 × 70,279.46
  4. Step 4: Simplify right side
    124,724.49x = 12,096,301,957.93
  5. Step 5: Solve for x
    x = 12,096,301,957.93/124,724.49
  6. Step 6: Final answer
    x = 96,984.18

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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.