Home / 106,869.78-147,484.63-59,122.30

Finding the Fourth Proportional to 106,869.78, 147,484.63 and 59,122.30

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Solution

The fourth proportional to 106,869.78, 147,484.63 and 59,122.30 is: 81,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.78 : 147,484.63 = 59,122.30 : x
  2. Step 2: Convert to fraction form
    106,869.78/147,484.63 = 59,122.30/x
  3. Step 3: Cross multiply
    106,869.78x = 147,484.63 × 59,122.30
  4. Step 4: Simplify right side
    106,869.78x = 8,719,630,540.25
  5. Step 5: Solve for x
    x = 8,719,630,540.25/106,869.78
  6. Step 6: Final answer
    x = 81,591.18

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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.