Home / 91,716.32-126,512.34-60,671.18

Finding the Fourth Proportional to 91,716.32, 126,512.34 and 60,671.18

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Solution

The fourth proportional to 91,716.32, 126,512.34 and 60,671.18 is: 83,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,716.32 : 126,512.34 = 60,671.18 : x
  2. Step 2: Convert to fraction form
    91,716.32/126,512.34 = 60,671.18/x
  3. Step 3: Cross multiply
    91,716.32x = 126,512.34 × 60,671.18
  4. Step 4: Simplify right side
    91,716.32x = 7,675,652,952.36
  5. Step 5: Solve for x
    x = 7,675,652,952.36/91,716.32
  6. Step 6: Final answer
    x = 83,689.06

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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.