Home / 75,320.08-113,017.24-53,275.12

Finding the Fourth Proportional to 75,320.08, 113,017.24 and 53,275.12

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Solution

The fourth proportional to 75,320.08, 113,017.24 and 53,275.12 is: 79,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.08 : 113,017.24 = 53,275.12 : x
  2. Step 2: Convert to fraction form
    75,320.08/113,017.24 = 53,275.12/x
  3. Step 3: Cross multiply
    75,320.08x = 113,017.24 × 53,275.12
  4. Step 4: Simplify right side
    75,320.08x = 6,021,007,023.07
  5. Step 5: Solve for x
    x = 6,021,007,023.07/75,320.08
  6. Step 6: Final answer
    x = 79,938.94

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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.