Home / 50,281.76-75,454.40-28,109.68

Finding the Fourth Proportional to 50,281.76, 75,454.40 and 28,109.68

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Solution

The fourth proportional to 50,281.76, 75,454.40 and 28,109.68 is: 42,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,281.76 : 75,454.40 = 28,109.68 : x
  2. Step 2: Convert to fraction form
    50,281.76/75,454.40 = 28,109.68/x
  3. Step 3: Cross multiply
    50,281.76x = 75,454.40 × 28,109.68
  4. Step 4: Simplify right side
    50,281.76x = 2,120,999,038.59
  5. Step 5: Solve for x
    x = 2,120,999,038.59/50,281.76
  6. Step 6: Final answer
    x = 42,182.28

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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.