Home / 88,243.06-121,656.18-59,899.54

Finding the Fourth Proportional to 88,243.06, 121,656.18 and 59,899.54

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Solution

The fourth proportional to 88,243.06, 121,656.18 and 59,899.54 is: 82,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,243.06 : 121,656.18 = 59,899.54 : x
  2. Step 2: Convert to fraction form
    88,243.06/121,656.18 = 59,899.54/x
  3. Step 3: Cross multiply
    88,243.06x = 121,656.18 × 59,899.54
  4. Step 4: Simplify right side
    88,243.06x = 7,287,149,220.16
  5. Step 5: Solve for x
    x = 7,287,149,220.16/88,243.06
  6. Step 6: Final answer
    x = 82,580.42

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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.