Home / 115,553.04-159,461.36-64,566.78

Finding the Fourth Proportional to 115,553.04, 159,461.36 and 64,566.78

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Solution

The fourth proportional to 115,553.04, 159,461.36 and 64,566.78 is: 89,101.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553.04 : 159,461.36 = 64,566.78 : x
  2. Step 2: Convert to fraction form
    115,553.04/159,461.36 = 64,566.78/x
  3. Step 3: Cross multiply
    115,553.04x = 159,461.36 × 64,566.78
  4. Step 4: Simplify right side
    115,553.04x = 10,295,906,549.62
  5. Step 5: Solve for x
    x = 10,295,906,549.62/115,553.04
  6. Step 6: Final answer
    x = 89,101.13

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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.