Home / 42,777.70-64,166.55-25,235.13

Finding the Fourth Proportional to 42,777.70, 64,166.55 and 25,235.13

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Solution

The fourth proportional to 42,777.70, 64,166.55 and 25,235.13 is: 37,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,777.70 : 64,166.55 = 25,235.13 : x
  2. Step 2: Convert to fraction form
    42,777.70/64,166.55 = 25,235.13/x
  3. Step 3: Cross multiply
    42,777.70x = 64,166.55 × 25,235.13
  4. Step 4: Simplify right side
    42,777.70x = 1,619,251,230.90
  5. Step 5: Solve for x
    x = 1,619,251,230.90/42,777.70
  6. Step 6: Final answer
    x = 37,852.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.