Home / 71,655.44-98,883.79-39,823.65

Finding the Fourth Proportional to 71,655.44, 98,883.79 and 39,823.65

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Solution

The fourth proportional to 71,655.44, 98,883.79 and 39,823.65 is: 54,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,655.44 : 98,883.79 = 39,823.65 : x
  2. Step 2: Convert to fraction form
    71,655.44/98,883.79 = 39,823.65/x
  3. Step 3: Cross multiply
    71,655.44x = 98,883.79 × 39,823.65
  4. Step 4: Simplify right side
    71,655.44x = 3,937,913,344.07
  5. Step 5: Solve for x
    x = 3,937,913,344.07/71,655.44
  6. Step 6: Final answer
    x = 54,956.24

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1.5x scale

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.