Home / 97,789.68-134,946.27-55,347.30

Finding the Fourth Proportional to 97,789.68, 134,946.27 and 55,347.30

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Solution

The fourth proportional to 97,789.68, 134,946.27 and 55,347.30 is: 76,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.68 : 134,946.27 = 55,347.30 : x
  2. Step 2: Convert to fraction form
    97,789.68/134,946.27 = 55,347.30/x
  3. Step 3: Cross multiply
    97,789.68x = 134,946.27 × 55,347.30
  4. Step 4: Simplify right side
    97,789.68x = 7,468,911,689.57
  5. Step 5: Solve for x
    x = 7,468,911,689.57/97,789.68
  6. Step 6: Final answer
    x = 76,377.30

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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.