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Finding the Fourth Proportional to 60,637.76, 83,682.44 and 35,145

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Solution

The fourth proportional to 60,637.76, 83,682.44 and 35,145 is: 48,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,637.76 : 83,682.44 = 35,145 : x
  2. Step 2: Convert to fraction form
    60,637.76/83,682.44 = 35,145/x
  3. Step 3: Cross multiply
    60,637.76x = 83,682.44 × 35,145
  4. Step 4: Simplify right side
    60,637.76x = 2,941,019,353.80
  5. Step 5: Solve for x
    x = 2,941,019,353.80/60,637.76
  6. Step 6: Final answer
    x = 48,501.45

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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.