Home / 91,966.77-126,928.70-53,748.94

Finding the Fourth Proportional to 91,966.77, 126,928.70 and 53,748.94

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Solution

The fourth proportional to 91,966.77, 126,928.70 and 53,748.94 is: 74,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.77 : 126,928.70 = 53,748.94 : x
  2. Step 2: Convert to fraction form
    91,966.77/126,928.70 = 53,748.94/x
  3. Step 3: Cross multiply
    91,966.77x = 126,928.70 × 53,748.94
  4. Step 4: Simplify right side
    91,966.77x = 6,822,283,139.88
  5. Step 5: Solve for x
    x = 6,822,283,139.88/91,966.77
  6. Step 6: Final answer
    x = 74,182.05

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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.