Home / 60,513.48-90,772.65-21,074.58

Finding the Fourth Proportional to 60,513.48, 90,772.65 and 21,074.58

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Solution

The fourth proportional to 60,513.48, 90,772.65 and 21,074.58 is: 31,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,513.48 : 90,772.65 = 21,074.58 : x
  2. Step 2: Convert to fraction form
    60,513.48/90,772.65 = 21,074.58/x
  3. Step 3: Cross multiply
    60,513.48x = 90,772.65 × 21,074.58
  4. Step 4: Simplify right side
    60,513.48x = 1,912,995,474.24
  5. Step 5: Solve for x
    x = 1,912,995,474.24/60,513.48
  6. Step 6: Final answer
    x = 31,612.72

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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.