Home / 91,099.49-125,711.88-52,856.07

Finding the Fourth Proportional to 91,099.49, 125,711.88 and 52,856.07

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Solution

The fourth proportional to 91,099.49, 125,711.88 and 52,856.07 is: 72,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,099.49 : 125,711.88 = 52,856.07 : x
  2. Step 2: Convert to fraction form
    91,099.49/125,711.88 = 52,856.07/x
  3. Step 3: Cross multiply
    91,099.49x = 125,711.88 × 52,856.07
  4. Step 4: Simplify right side
    91,099.49x = 6,644,636,065.72
  5. Step 5: Solve for x
    x = 6,644,636,065.72/91,099.49
  6. Step 6: Final answer
    x = 72,938.24

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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.