Home / 88,074.79-121,644.17-57,994.59

Finding the Fourth Proportional to 88,074.79, 121,644.17 and 57,994.59

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Solution

The fourth proportional to 88,074.79, 121,644.17 and 57,994.59 is: 80,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.79 : 121,644.17 = 57,994.59 : x
  2. Step 2: Convert to fraction form
    88,074.79/121,644.17 = 57,994.59/x
  3. Step 3: Cross multiply
    88,074.79x = 121,644.17 × 57,994.59
  4. Step 4: Simplify right side
    88,074.79x = 7,054,703,765.04
  5. Step 5: Solve for x
    x = 7,054,703,765.04/88,074.79
  6. Step 6: Final answer
    x = 80,099.01

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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.