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Finding the Fourth Proportional to 60,616.98, 83,644.07 and 34,774.20

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Solution

The fourth proportional to 60,616.98, 83,644.07 and 34,774.20 is: 47,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,616.98 : 83,644.07 = 34,774.20 : x
  2. Step 2: Convert to fraction form
    60,616.98/83,644.07 = 34,774.20/x
  3. Step 3: Cross multiply
    60,616.98x = 83,644.07 × 34,774.20
  4. Step 4: Simplify right side
    60,616.98x = 2,908,655,445.12
  5. Step 5: Solve for x
    x = 2,908,655,445.12/60,616.98
  6. Step 6: Final answer
    x = 47,984.17

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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.