Home / 75,634.32-113,502.52-56,928.18

Finding the Fourth Proportional to 75,634.32, 113,502.52 and 56,928.18

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Solution

The fourth proportional to 75,634.32, 113,502.52 and 56,928.18 is: 85,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,634.32 : 113,502.52 = 56,928.18 : x
  2. Step 2: Convert to fraction form
    75,634.32/113,502.52 = 56,928.18/x
  3. Step 3: Cross multiply
    75,634.32x = 113,502.52 × 56,928.18
  4. Step 4: Simplify right side
    75,634.32x = 6,461,491,889.01
  5. Step 5: Solve for x
    x = 6,461,491,889.01/75,634.32
  6. Step 6: Final answer
    x = 85,430.69

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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.