Home / 52,848.11-72,929.86-28,974.74

Finding the Fourth Proportional to 52,848.11, 72,929.86 and 28,974.74

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Solution

The fourth proportional to 52,848.11, 72,929.86 and 28,974.74 is: 39,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,848.11 : 72,929.86 = 28,974.74 : x
  2. Step 2: Convert to fraction form
    52,848.11/72,929.86 = 28,974.74/x
  3. Step 3: Cross multiply
    52,848.11x = 72,929.86 × 28,974.74
  4. Step 4: Simplify right side
    52,848.11x = 2,113,123,294.65
  5. Step 5: Solve for x
    x = 2,113,123,294.65/52,848.11
  6. Step 6: Final answer
    x = 39,984.84

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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.