Home / 88,233.43-121,812.80-58,106.23

Finding the Fourth Proportional to 88,233.43, 121,812.80 and 58,106.23

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Solution

The fourth proportional to 88,233.43, 121,812.80 and 58,106.23 is: 80,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,233.43 : 121,812.80 = 58,106.23 : x
  2. Step 2: Convert to fraction form
    88,233.43/121,812.80 = 58,106.23/x
  3. Step 3: Cross multiply
    88,233.43x = 121,812.80 × 58,106.23
  4. Step 4: Simplify right side
    88,233.43x = 7,078,082,573.74
  5. Step 5: Solve for x
    x = 7,078,082,573.74/88,233.43
  6. Step 6: Final answer
    x = 80,219.96

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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.