Home / 55,055.70-75,965.85-38,033.15

Finding the Fourth Proportional to 55,055.70, 75,965.85 and 38,033.15

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Solution

The fourth proportional to 55,055.70, 75,965.85 and 38,033.15 is: 52,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.70 : 75,965.85 = 38,033.15 : x
  2. Step 2: Convert to fraction form
    55,055.70/75,965.85 = 38,033.15/x
  3. Step 3: Cross multiply
    55,055.70x = 75,965.85 × 38,033.15
  4. Step 4: Simplify right side
    55,055.70x = 2,889,220,188.10
  5. Step 5: Solve for x
    x = 2,889,220,188.10/55,055.70
  6. Step 6: Final answer
    x = 52,478.13

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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.