Home / 91,799.29-126,581.84-63,455.77

Finding the Fourth Proportional to 91,799.29, 126,581.84 and 63,455.77

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Solution

The fourth proportional to 91,799.29, 126,581.84 and 63,455.77 is: 87,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.29 : 126,581.84 = 63,455.77 : x
  2. Step 2: Convert to fraction form
    91,799.29/126,581.84 = 63,455.77/x
  3. Step 3: Cross multiply
    91,799.29x = 126,581.84 × 63,455.77
  4. Step 4: Simplify right side
    91,799.29x = 8,032,347,807.94
  5. Step 5: Solve for x
    x = 8,032,347,807.94/91,799.29
  6. Step 6: Final answer
    x = 87,499.02

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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.