Home / 102,770.04-141,819.66-57,448.11

Finding the Fourth Proportional to 102,770.04, 141,819.66 and 57,448.11

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Solution

The fourth proportional to 102,770.04, 141,819.66 and 57,448.11 is: 79,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,770.04 : 141,819.66 = 57,448.11 : x
  2. Step 2: Convert to fraction form
    102,770.04/141,819.66 = 57,448.11/x
  3. Step 3: Cross multiply
    102,770.04x = 141,819.66 × 57,448.11
  4. Step 4: Simplify right side
    102,770.04x = 8,147,271,427.84
  5. Step 5: Solve for x
    x = 8,147,271,427.84/102,770.04
  6. Step 6: Final answer
    x = 79,276.72

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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.