Home / 88,740.50-122,401.16-52,902.86

Finding the Fourth Proportional to 88,740.50, 122,401.16 and 52,902.86

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Solution

The fourth proportional to 88,740.50, 122,401.16 and 52,902.86 is: 72,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,740.50 : 122,401.16 = 52,902.86 : x
  2. Step 2: Convert to fraction form
    88,740.50/122,401.16 = 52,902.86/x
  3. Step 3: Cross multiply
    88,740.50x = 122,401.16 × 52,902.86
  4. Step 4: Simplify right side
    88,740.50x = 6,475,371,431.32
  5. Step 5: Solve for x
    x = 6,475,371,431.32/88,740.50
  6. Step 6: Final answer
    x = 72,969.74

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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.