Home / 91,661.95-126,491.38-53,419.06

Finding the Fourth Proportional to 91,661.95, 126,491.38 and 53,419.06

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Solution

The fourth proportional to 91,661.95, 126,491.38 and 53,419.06 is: 73,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,661.95 : 126,491.38 = 53,419.06 : x
  2. Step 2: Convert to fraction form
    91,661.95/126,491.38 = 53,419.06/x
  3. Step 3: Cross multiply
    91,661.95x = 126,491.38 × 53,419.06
  4. Step 4: Simplify right side
    91,661.95x = 6,757,050,617.70
  5. Step 5: Solve for x
    x = 6,757,050,617.70/91,661.95
  6. Step 6: Final answer
    x = 73,717.07

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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.