Home / 82,887.06-124,331.44-66,352.20

Finding the Fourth Proportional to 82,887.06, 124,331.44 and 66,352.20

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Solution

The fourth proportional to 82,887.06, 124,331.44 and 66,352.20 is: 99,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.06 : 124,331.44 = 66,352.20 : x
  2. Step 2: Convert to fraction form
    82,887.06/124,331.44 = 66,352.20/x
  3. Step 3: Cross multiply
    82,887.06x = 124,331.44 × 66,352.20
  4. Step 4: Simplify right side
    82,887.06x = 8,249,664,573.17
  5. Step 5: Solve for x
    x = 8,249,664,573.17/82,887.06
  6. Step 6: Final answer
    x = 99,528.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.