Home / 84,223.79-116,215.61-48,407.10

Finding the Fourth Proportional to 84,223.79, 116,215.61 and 48,407.10

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Solution

The fourth proportional to 84,223.79, 116,215.61 and 48,407.10 is: 66,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,223.79 : 116,215.61 = 48,407.10 : x
  2. Step 2: Convert to fraction form
    84,223.79/116,215.61 = 48,407.10/x
  3. Step 3: Cross multiply
    84,223.79x = 116,215.61 × 48,407.10
  4. Step 4: Simplify right side
    84,223.79x = 5,625,660,412.80
  5. Step 5: Solve for x
    x = 5,625,660,412.80/84,223.79
  6. Step 6: Final answer
    x = 66,794.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.