Home / 102,416.06-141,334.76-57,096.89

Finding the Fourth Proportional to 102,416.06, 141,334.76 and 57,096.89

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Solution

The fourth proportional to 102,416.06, 141,334.76 and 57,096.89 is: 78,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,416.06 : 141,334.76 = 57,096.89 : x
  2. Step 2: Convert to fraction form
    102,416.06/141,334.76 = 57,096.89/x
  3. Step 3: Cross multiply
    102,416.06x = 141,334.76 × 57,096.89
  4. Step 4: Simplify right side
    102,416.06x = 8,069,775,312.75
  5. Step 5: Solve for x
    x = 8,069,775,312.75/102,416.06
  6. Step 6: Final answer
    x = 78,794.05

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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.