Home / 88,239.44-121,708.85-58,015.10

Finding the Fourth Proportional to 88,239.44, 121,708.85 and 58,015.10

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Solution

The fourth proportional to 88,239.44, 121,708.85 and 58,015.10 is: 80,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.44 : 121,708.85 = 58,015.10 : x
  2. Step 2: Convert to fraction form
    88,239.44/121,708.85 = 58,015.10/x
  3. Step 3: Cross multiply
    88,239.44x = 121,708.85 × 58,015.10
  4. Step 4: Simplify right side
    88,239.44x = 7,060,950,205.02
  5. Step 5: Solve for x
    x = 7,060,950,205.02/88,239.44
  6. Step 6: Final answer
    x = 80,020.35

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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.