Home / 106,951.46-147,557.30-66,071.84

Finding the Fourth Proportional to 106,951.46, 147,557.30 and 66,071.84

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Solution

The fourth proportional to 106,951.46, 147,557.30 and 66,071.84 is: 91,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,951.46 : 147,557.30 = 66,071.84 : x
  2. Step 2: Convert to fraction form
    106,951.46/147,557.30 = 66,071.84/x
  3. Step 3: Cross multiply
    106,951.46x = 147,557.30 × 66,071.84
  4. Step 4: Simplify right side
    106,951.46x = 9,749,381,248.29
  5. Step 5: Solve for x
    x = 9,749,381,248.29/106,951.46
  6. Step 6: Final answer
    x = 91,157.07

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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.