Home / 84,911.10-127,465.02-45,545.10

Finding the Fourth Proportional to 84,911.10, 127,465.02 and 45,545.10

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Solution

The fourth proportional to 84,911.10, 127,465.02 and 45,545.10 is: 68,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.10 : 127,465.02 = 45,545.10 : x
  2. Step 2: Convert to fraction form
    84,911.10/127,465.02 = 45,545.10/x
  3. Step 3: Cross multiply
    84,911.10x = 127,465.02 × 45,545.10
  4. Step 4: Simplify right side
    84,911.10x = 5,805,407,082.40
  5. Step 5: Solve for x
    x = 5,805,407,082.40/84,911.10
  6. Step 6: Final answer
    x = 68,370.41

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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.