Home / 88,740.06-122,253.12-61,833.72

Finding the Fourth Proportional to 88,740.06, 122,253.12 and 61,833.72

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Solution

The fourth proportional to 88,740.06, 122,253.12 and 61,833.72 is: 85,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,740.06 : 122,253.12 = 61,833.72 : x
  2. Step 2: Convert to fraction form
    88,740.06/122,253.12 = 61,833.72/x
  3. Step 3: Cross multiply
    88,740.06x = 122,253.12 × 61,833.72
  4. Step 4: Simplify right side
    88,740.06x = 7,559,365,191.21
  5. Step 5: Solve for x
    x = 7,559,365,191.21/88,740.06
  6. Step 6: Final answer
    x = 85,185.49

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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.