Home / 52,113.08-77,982.75-45,117.15

Finding the Fourth Proportional to 52,113.08, 77,982.75 and 45,117.15

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Solution

The fourth proportional to 52,113.08, 77,982.75 and 45,117.15 is: 67,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113.08 : 77,982.75 = 45,117.15 : x
  2. Step 2: Convert to fraction form
    52,113.08/77,982.75 = 45,117.15/x
  3. Step 3: Cross multiply
    52,113.08x = 77,982.75 × 45,117.15
  4. Step 4: Simplify right side
    52,113.08x = 3,518,359,429.16
  5. Step 5: Solve for x
    x = 3,518,359,429.16/52,113.08
  6. Step 6: Final answer
    x = 67,513.95

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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.