Home / 97,561.87-134,635.08-55,120.39

Finding the Fourth Proportional to 97,561.87, 134,635.08 and 55,120.39

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Solution

The fourth proportional to 97,561.87, 134,635.08 and 55,120.39 is: 76,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,561.87 : 134,635.08 = 55,120.39 : x
  2. Step 2: Convert to fraction form
    97,561.87/134,635.08 = 55,120.39/x
  3. Step 3: Cross multiply
    97,561.87x = 134,635.08 × 55,120.39
  4. Step 4: Simplify right side
    97,561.87x = 7,421,138,117.28
  5. Step 5: Solve for x
    x = 7,421,138,117.28/97,561.87
  6. Step 6: Final answer
    x = 76,065.97

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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.