Home / 127,275.91-175,635.88-70,690.93

Finding the Fourth Proportional to 127,275.91, 175,635.88 and 70,690.93

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Solution

The fourth proportional to 127,275.91, 175,635.88 and 70,690.93 is: 97,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275.91 : 175,635.88 = 70,690.93 : x
  2. Step 2: Convert to fraction form
    127,275.91/175,635.88 = 70,690.93/x
  3. Step 3: Cross multiply
    127,275.91x = 175,635.88 × 70,690.93
  4. Step 4: Simplify right side
    127,275.91x = 12,415,863,082.75
  5. Step 5: Solve for x
    x = 12,415,863,082.75/127,275.91
  6. Step 6: Final answer
    x = 97,550.77

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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.