Home / 118,061.24-162,905.85-66,368.12

Finding the Fourth Proportional to 118,061.24, 162,905.85 and 66,368.12

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Solution

The fourth proportional to 118,061.24, 162,905.85 and 66,368.12 is: 91,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,061.24 : 162,905.85 = 66,368.12 : x
  2. Step 2: Convert to fraction form
    118,061.24/162,905.85 = 66,368.12/x
  3. Step 3: Cross multiply
    118,061.24x = 162,905.85 × 66,368.12
  4. Step 4: Simplify right side
    118,061.24x = 10,811,754,186.97
  5. Step 5: Solve for x
    x = 10,811,754,186.97/118,061.24
  6. Step 6: Final answer
    x = 91,577.51

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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.