Home / 71,708.16-98,959.66-39,444.14

Finding the Fourth Proportional to 71,708.16, 98,959.66 and 39,444.14

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Solution

The fourth proportional to 71,708.16, 98,959.66 and 39,444.14 is: 54,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,708.16 : 98,959.66 = 39,444.14 : x
  2. Step 2: Convert to fraction form
    71,708.16/98,959.66 = 39,444.14/x
  3. Step 3: Cross multiply
    71,708.16x = 98,959.66 × 39,444.14
  4. Step 4: Simplify right side
    71,708.16x = 3,903,378,683.39
  5. Step 5: Solve for x
    x = 3,903,378,683.39/71,708.16
  6. Step 6: Final answer
    x = 54,434.23

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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.