Home / 91,775.36-126,607.01-59,520.20

Finding the Fourth Proportional to 91,775.36, 126,607.01 and 59,520.20

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Solution

The fourth proportional to 91,775.36, 126,607.01 and 59,520.20 is: 82,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,775.36 : 126,607.01 = 59,520.20 : x
  2. Step 2: Convert to fraction form
    91,775.36/126,607.01 = 59,520.20/x
  3. Step 3: Cross multiply
    91,775.36x = 126,607.01 × 59,520.20
  4. Step 4: Simplify right side
    91,775.36x = 7,535,673,625.97
  5. Step 5: Solve for x
    x = 7,535,673,625.97/91,775.36
  6. Step 6: Final answer
    x = 82,109.98

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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.