Home / 94,915.66-130,961.85-56,667.76

Finding the Fourth Proportional to 94,915.66, 130,961.85 and 56,667.76

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Solution

The fourth proportional to 94,915.66, 130,961.85 and 56,667.76 is: 78,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,915.66 : 130,961.85 = 56,667.76 : x
  2. Step 2: Convert to fraction form
    94,915.66/130,961.85 = 56,667.76/x
  3. Step 3: Cross multiply
    94,915.66x = 130,961.85 × 56,667.76
  4. Step 4: Simplify right side
    94,915.66x = 7,421,314,684.96
  5. Step 5: Solve for x
    x = 7,421,314,684.96/94,915.66
  6. Step 6: Final answer
    x = 78,188.52

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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.