Home / 92,005.48-126,799.14-66,811.24

Finding the Fourth Proportional to 92,005.48, 126,799.14 and 66,811.24

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Solution

The fourth proportional to 92,005.48, 126,799.14 and 66,811.24 is: 92,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,005.48 : 126,799.14 = 66,811.24 : x
  2. Step 2: Convert to fraction form
    92,005.48/126,799.14 = 66,811.24/x
  3. Step 3: Cross multiply
    92,005.48x = 126,799.14 × 66,811.24
  4. Step 4: Simplify right side
    92,005.48x = 8,471,607,774.33
  5. Step 5: Solve for x
    x = 8,471,607,774.33/92,005.48
  6. Step 6: Final answer
    x = 92,077.21

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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.