Home / 97,778.16-134,926.29-55,339.56

Finding the Fourth Proportional to 97,778.16, 134,926.29 and 55,339.56

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Solution

The fourth proportional to 97,778.16, 134,926.29 and 55,339.56 is: 76,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,778.16 : 134,926.29 = 55,339.56 : x
  2. Step 2: Convert to fraction form
    97,778.16/134,926.29 = 55,339.56/x
  3. Step 3: Cross multiply
    97,778.16x = 134,926.29 × 55,339.56
  4. Step 4: Simplify right side
    97,778.16x = 7,466,761,521.03
  5. Step 5: Solve for x
    x = 7,466,761,521.03/97,778.16
  6. Step 6: Final answer
    x = 76,364.31

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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.