Home / 91,410.04-126,146.82-53,684.92

Finding the Fourth Proportional to 91,410.04, 126,146.82 and 53,684.92

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Solution

The fourth proportional to 91,410.04, 126,146.82 and 53,684.92 is: 74,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,410.04 : 126,146.82 = 53,684.92 : x
  2. Step 2: Convert to fraction form
    91,410.04/126,146.82 = 53,684.92/x
  3. Step 3: Cross multiply
    91,410.04x = 126,146.82 × 53,684.92
  4. Step 4: Simplify right side
    91,410.04x = 6,772,181,939.95
  5. Step 5: Solve for x
    x = 6,772,181,939.95/91,410.04
  6. Step 6: Final answer
    x = 74,085.76

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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.