Home / 115,327.76-159,125.28-70,004.66

Finding the Fourth Proportional to 115,327.76, 159,125.28 and 70,004.66

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Solution

The fourth proportional to 115,327.76, 159,125.28 and 70,004.66 is: 96,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,327.76 : 159,125.28 = 70,004.66 : x
  2. Step 2: Convert to fraction form
    115,327.76/159,125.28 = 70,004.66/x
  3. Step 3: Cross multiply
    115,327.76x = 159,125.28 × 70,004.66
  4. Step 4: Simplify right side
    115,327.76x = 11,139,511,123.80
  5. Step 5: Solve for x
    x = 11,139,511,123.80/115,327.76
  6. Step 6: Final answer
    x = 96,590.02

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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.