Home / 60,412.32-90,178.56-55,427.04

Finding the Fourth Proportional to 60,412.32, 90,178.56 and 55,427.04

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Solution

The fourth proportional to 60,412.32, 90,178.56 and 55,427.04 is: 82,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,412.32 : 90,178.56 = 55,427.04 : x
  2. Step 2: Convert to fraction form
    60,412.32/90,178.56 = 55,427.04/x
  3. Step 3: Cross multiply
    60,412.32x = 90,178.56 × 55,427.04
  4. Step 4: Simplify right side
    60,412.32x = 4,998,330,652.26
  5. Step 5: Solve for x
    x = 4,998,330,652.26/60,412.32
  6. Step 6: Final answer
    x = 82,736.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.