Home / 91,348.73-126,063.51-51,069.18

Finding the Fourth Proportional to 91,348.73, 126,063.51 and 51,069.18

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Solution

The fourth proportional to 91,348.73, 126,063.51 and 51,069.18 is: 70,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,348.73 : 126,063.51 = 51,069.18 : x
  2. Step 2: Convert to fraction form
    91,348.73/126,063.51 = 51,069.18/x
  3. Step 3: Cross multiply
    91,348.73x = 126,063.51 × 51,069.18
  4. Step 4: Simplify right side
    91,348.73x = 6,437,960,364.85
  5. Step 5: Solve for x
    x = 6,437,960,364.85/91,348.73
  6. Step 6: Final answer
    x = 70,476.74

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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.