Home / 49,643.12-68,501.40-29,500.40

Finding the Fourth Proportional to 49,643.12, 68,501.40 and 29,500.40

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Solution

The fourth proportional to 49,643.12, 68,501.40 and 29,500.40 is: 40,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.12 : 68,501.40 = 29,500.40 : x
  2. Step 2: Convert to fraction form
    49,643.12/68,501.40 = 29,500.40/x
  3. Step 3: Cross multiply
    49,643.12x = 68,501.40 × 29,500.40
  4. Step 4: Simplify right side
    49,643.12x = 2,020,818,700.56
  5. Step 5: Solve for x
    x = 2,020,818,700.56/49,643.12
  6. Step 6: Final answer
    x = 40,706.92

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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.