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Finding the Fourth Proportional to 60,402, 83,354.76 and 35,251.68

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Solution

The fourth proportional to 60,402, 83,354.76 and 35,251.68 is: 48,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,402 : 83,354.76 = 35,251.68 : x
  2. Step 2: Convert to fraction form
    60,402/83,354.76 = 35,251.68/x
  3. Step 3: Cross multiply
    60,402x = 83,354.76 × 35,251.68
  4. Step 4: Simplify right side
    60,402x = 2,938,395,326.00
  5. Step 5: Solve for x
    x = 2,938,395,326.00/60,402
  6. Step 6: Final answer
    x = 48,647.32

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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.