Home / 88,071.08-132,028.86-67,386.92

Finding the Fourth Proportional to 88,071.08, 132,028.86 and 67,386.92

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Solution

The fourth proportional to 88,071.08, 132,028.86 and 67,386.92 is: 101,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,071.08 : 132,028.86 = 67,386.92 : x
  2. Step 2: Convert to fraction form
    88,071.08/132,028.86 = 67,386.92/x
  3. Step 3: Cross multiply
    88,071.08x = 132,028.86 × 67,386.92
  4. Step 4: Simplify right side
    88,071.08x = 8,897,018,226.51
  5. Step 5: Solve for x
    x = 8,897,018,226.51/88,071.08
  6. Step 6: Final answer
    x = 101,020.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.