Home / 115,461.48-159,326.28-67,706.04

Finding the Fourth Proportional to 115,461.48, 159,326.28 and 67,706.04

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Solution

The fourth proportional to 115,461.48, 159,326.28 and 67,706.04 is: 93,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,461.48 : 159,326.28 = 67,706.04 : x
  2. Step 2: Convert to fraction form
    115,461.48/159,326.28 = 67,706.04/x
  3. Step 3: Cross multiply
    115,461.48x = 159,326.28 × 67,706.04
  4. Step 4: Simplify right side
    115,461.48x = 10,787,351,486.73
  5. Step 5: Solve for x
    x = 10,787,351,486.73/115,461.48
  6. Step 6: Final answer
    x = 93,428.14

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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.