Home / 102,597.16-141,566.54-57,272.80

Finding the Fourth Proportional to 102,597.16, 141,566.54 and 57,272.80

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Solution

The fourth proportional to 102,597.16, 141,566.54 and 57,272.80 is: 79,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,597.16 : 141,566.54 = 57,272.80 : x
  2. Step 2: Convert to fraction form
    102,597.16/141,566.54 = 57,272.80/x
  3. Step 3: Cross multiply
    102,597.16x = 141,566.54 × 57,272.80
  4. Step 4: Simplify right side
    102,597.16x = 8,107,912,132.11
  5. Step 5: Solve for x
    x = 8,107,912,132.11/102,597.16
  6. Step 6: Final answer
    x = 79,026.67

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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.