Home / 52,575.40-72,555.18-28,703.08

Finding the Fourth Proportional to 52,575.40, 72,555.18 and 28,703.08

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Solution

The fourth proportional to 52,575.40, 72,555.18 and 28,703.08 is: 39,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,575.40 : 72,555.18 = 28,703.08 : x
  2. Step 2: Convert to fraction form
    52,575.40/72,555.18 = 28,703.08/x
  3. Step 3: Cross multiply
    52,575.40x = 72,555.18 × 28,703.08
  4. Step 4: Simplify right side
    52,575.40x = 2,082,557,135.95
  5. Step 5: Solve for x
    x = 2,082,557,135.95/52,575.40
  6. Step 6: Final answer
    x = 39,610.87

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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.