Home / 127,586.62-176,068.16-70,224.72

Finding the Fourth Proportional to 127,586.62, 176,068.16 and 70,224.72

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Solution

The fourth proportional to 127,586.62, 176,068.16 and 70,224.72 is: 96,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,586.62 : 176,068.16 = 70,224.72 : x
  2. Step 2: Convert to fraction form
    127,586.62/176,068.16 = 70,224.72/x
  3. Step 3: Cross multiply
    127,586.62x = 176,068.16 × 70,224.72
  4. Step 4: Simplify right side
    127,586.62x = 12,364,336,786.56
  5. Step 5: Solve for x
    x = 12,364,336,786.56/127,586.62
  6. Step 6: Final answer
    x = 96,909.35

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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.