Home / 115,527.60-159,342.75-73,045.17

Finding the Fourth Proportional to 115,527.60, 159,342.75 and 73,045.17

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Solution

The fourth proportional to 115,527.60, 159,342.75 and 73,045.17 is: 100,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,527.60 : 159,342.75 = 73,045.17 : x
  2. Step 2: Convert to fraction form
    115,527.60/159,342.75 = 73,045.17/x
  3. Step 3: Cross multiply
    115,527.60x = 159,342.75 × 73,045.17
  4. Step 4: Simplify right side
    115,527.60x = 11,639,218,262.02
  5. Step 5: Solve for x
    x = 11,639,218,262.02/115,527.60
  6. Step 6: Final answer
    x = 100,748.38

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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.