Home / 88,901.10-122,472.27-61,994.70

Finding the Fourth Proportional to 88,901.10, 122,472.27 and 61,994.70

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Solution

The fourth proportional to 88,901.10, 122,472.27 and 61,994.70 is: 85,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,901.10 : 122,472.27 = 61,994.70 : x
  2. Step 2: Convert to fraction form
    88,901.10/122,472.27 = 61,994.70/x
  3. Step 3: Cross multiply
    88,901.10x = 122,472.27 × 61,994.70
  4. Step 4: Simplify right side
    88,901.10x = 7,592,631,636.97
  5. Step 5: Solve for x
    x = 7,592,631,636.97/88,901.10
  6. Step 6: Final answer
    x = 85,405.37

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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.