Home / 94,915.64-130,961.86-56,667.76

Finding the Fourth Proportional to 94,915.64, 130,961.86 and 56,667.76

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Solution

The fourth proportional to 94,915.64, 130,961.86 and 56,667.76 is: 78,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,915.64 : 130,961.86 = 56,667.76 : x
  2. Step 2: Convert to fraction form
    94,915.64/130,961.86 = 56,667.76/x
  3. Step 3: Cross multiply
    94,915.64x = 130,961.86 × 56,667.76
  4. Step 4: Simplify right side
    94,915.64x = 7,421,315,251.63
  5. Step 5: Solve for x
    x = 7,421,315,251.63/94,915.64
  6. Step 6: Final answer
    x = 78,188.54

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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.