Home / 106,959.12-147,557.24-64,494.06

Finding the Fourth Proportional to 106,959.12, 147,557.24 and 64,494.06

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Solution

The fourth proportional to 106,959.12, 147,557.24 and 64,494.06 is: 88,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,959.12 : 147,557.24 = 64,494.06 : x
  2. Step 2: Convert to fraction form
    106,959.12/147,557.24 = 64,494.06/x
  3. Step 3: Cross multiply
    106,959.12x = 147,557.24 × 64,494.06
  4. Step 4: Simplify right side
    106,959.12x = 9,516,565,489.99
  5. Step 5: Solve for x
    x = 9,516,565,489.99/106,959.12
  6. Step 6: Final answer
    x = 88,973.86

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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.