Home / 88,385.78-122,014.10-56,573.13

Finding the Fourth Proportional to 88,385.78, 122,014.10 and 56,573.13

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Solution

The fourth proportional to 88,385.78, 122,014.10 and 56,573.13 is: 78,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,385.78 : 122,014.10 = 56,573.13 : x
  2. Step 2: Convert to fraction form
    88,385.78/122,014.10 = 56,573.13/x
  3. Step 3: Cross multiply
    88,385.78x = 122,014.10 × 56,573.13
  4. Step 4: Simplify right side
    88,385.78x = 6,902,719,821.89
  5. Step 5: Solve for x
    x = 6,902,719,821.89/88,385.78
  6. Step 6: Final answer
    x = 78,097.63

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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.