Home / 60,123.42-90,159.48-20,684.52

Finding the Fourth Proportional to 60,123.42, 90,159.48 and 20,684.52

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Solution

The fourth proportional to 60,123.42, 90,159.48 and 20,684.52 is: 31,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,123.42 : 90,159.48 = 20,684.52 : x
  2. Step 2: Convert to fraction form
    60,123.42/90,159.48 = 20,684.52/x
  3. Step 3: Cross multiply
    60,123.42x = 90,159.48 × 20,684.52
  4. Step 4: Simplify right side
    60,123.42x = 1,864,905,567.25
  5. Step 5: Solve for x
    x = 1,864,905,567.25/60,123.42
  6. Step 6: Final answer
    x = 31,017.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.