Home / 75,280.32-112,884.73-43,700.06

Finding the Fourth Proportional to 75,280.32, 112,884.73 and 43,700.06

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Solution

The fourth proportional to 75,280.32, 112,884.73 and 43,700.06 is: 65,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,280.32 : 112,884.73 = 43,700.06 : x
  2. Step 2: Convert to fraction form
    75,280.32/112,884.73 = 43,700.06/x
  3. Step 3: Cross multiply
    75,280.32x = 112,884.73 × 43,700.06
  4. Step 4: Simplify right side
    75,280.32x = 4,933,069,474.08
  5. Step 5: Solve for x
    x = 4,933,069,474.08/75,280.32
  6. Step 6: Final answer
    x = 65,529.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.