Home / 110,071.91-151,915.28-61,677.11

Finding the Fourth Proportional to 110,071.91, 151,915.28 and 61,677.11

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Solution

The fourth proportional to 110,071.91, 151,915.28 and 61,677.11 is: 85,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,071.91 : 151,915.28 = 61,677.11 : x
  2. Step 2: Convert to fraction form
    110,071.91/151,915.28 = 61,677.11/x
  3. Step 3: Cross multiply
    110,071.91x = 151,915.28 × 61,677.11
  4. Step 4: Simplify right side
    110,071.91x = 9,369,694,367.28
  5. Step 5: Solve for x
    x = 9,369,694,367.28/110,071.91
  6. Step 6: Final answer
    x = 85,123.40

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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.