Home / 127,030.50-175,298.40-69,668.73

Finding the Fourth Proportional to 127,030.50, 175,298.40 and 69,668.73

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Solution

The fourth proportional to 127,030.50, 175,298.40 and 69,668.73 is: 96,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,030.50 : 175,298.40 = 69,668.73 : x
  2. Step 2: Convert to fraction form
    127,030.50/175,298.40 = 69,668.73/x
  3. Step 3: Cross multiply
    127,030.50x = 175,298.40 × 69,668.73
  4. Step 4: Simplify right side
    127,030.50x = 12,212,816,899.03
  5. Step 5: Solve for x
    x = 12,212,816,899.03/127,030.50
  6. Step 6: Final answer
    x = 96,140.82

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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.