Home / 48,099.30-66,386.16-31,717.68

Finding the Fourth Proportional to 48,099.30, 66,386.16 and 31,717.68

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Solution

The fourth proportional to 48,099.30, 66,386.16 and 31,717.68 is: 43,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,099.30 : 66,386.16 = 31,717.68 : x
  2. Step 2: Convert to fraction form
    48,099.30/66,386.16 = 31,717.68/x
  3. Step 3: Cross multiply
    48,099.30x = 66,386.16 × 31,717.68
  4. Step 4: Simplify right side
    48,099.30x = 2,105,614,979.31
  5. Step 5: Solve for x
    x = 2,105,614,979.31/48,099.30
  6. Step 6: Final answer
    x = 43,776.42

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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.