Home / 94,454.46-140,944.95-86,070.96

Finding the Fourth Proportional to 94,454.46, 140,944.95 and 86,070.96

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Solution

The fourth proportional to 94,454.46, 140,944.95 and 86,070.96 is: 128,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,454.46 : 140,944.95 = 86,070.96 : x
  2. Step 2: Convert to fraction form
    94,454.46/140,944.95 = 86,070.96/x
  3. Step 3: Cross multiply
    94,454.46x = 140,944.95 × 86,070.96
  4. Step 4: Simplify right side
    94,454.46x = 12,131,267,153.65
  5. Step 5: Solve for x
    x = 12,131,267,153.65/94,454.46
  6. Step 6: Final answer
    x = 128,435.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.