Home / 92,723.60-127,949.16-56,915.12

Finding the Fourth Proportional to 92,723.60, 127,949.16 and 56,915.12

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Solution

The fourth proportional to 92,723.60, 127,949.16 and 56,915.12 is: 78,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,723.60 : 127,949.16 = 56,915.12 : x
  2. Step 2: Convert to fraction form
    92,723.60/127,949.16 = 56,915.12/x
  3. Step 3: Cross multiply
    92,723.60x = 127,949.16 × 56,915.12
  4. Step 4: Simplify right side
    92,723.60x = 7,282,241,795.30
  5. Step 5: Solve for x
    x = 7,282,241,795.30/92,723.60
  6. Step 6: Final answer
    x = 78,537.09

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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.