Home / 88,170.37-121,712.34-59,528.82

Finding the Fourth Proportional to 88,170.37, 121,712.34 and 59,528.82

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Solution

The fourth proportional to 88,170.37, 121,712.34 and 59,528.82 is: 82,174.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.37 : 121,712.34 = 59,528.82 : x
  2. Step 2: Convert to fraction form
    88,170.37/121,712.34 = 59,528.82/x
  3. Step 3: Cross multiply
    88,170.37x = 121,712.34 × 59,528.82
  4. Step 4: Simplify right side
    88,170.37x = 7,245,391,979.64
  5. Step 5: Solve for x
    x = 7,245,391,979.64/88,170.37
  6. Step 6: Final answer
    x = 82,174.91

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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.