Home / 49,462.15-74,132.34-28,132.76

Finding the Fourth Proportional to 49,462.15, 74,132.34 and 28,132.76

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Solution

The fourth proportional to 49,462.15, 74,132.34 and 28,132.76 is: 42,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,462.15 : 74,132.34 = 28,132.76 : x
  2. Step 2: Convert to fraction form
    49,462.15/74,132.34 = 28,132.76/x
  3. Step 3: Cross multiply
    49,462.15x = 74,132.34 × 28,132.76
  4. Step 4: Simplify right side
    49,462.15x = 2,085,547,329.46
  5. Step 5: Solve for x
    x = 2,085,547,329.46/49,462.15
  6. Step 6: Final answer
    x = 42,164.51

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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.