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Finding the Fourth Proportional to 60,619.64, 83,649.47 and 35,127

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Solution

The fourth proportional to 60,619.64, 83,649.47 and 35,127 is: 48,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,619.64 : 83,649.47 = 35,127 : x
  2. Step 2: Convert to fraction form
    60,619.64/83,649.47 = 35,127/x
  3. Step 3: Cross multiply
    60,619.64x = 83,649.47 × 35,127
  4. Step 4: Simplify right side
    60,619.64x = 2,938,354,757.06
  5. Step 5: Solve for x
    x = 2,938,354,757.06/60,619.64
  6. Step 6: Final answer
    x = 48,472.00

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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.