Home / 75,150.18-112,647.51-28,370.25

Finding the Fourth Proportional to 75,150.18, 112,647.51 and 28,370.25

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Solution

The fourth proportional to 75,150.18, 112,647.51 and 28,370.25 is: 42,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.18 : 112,647.51 = 28,370.25 : x
  2. Step 2: Convert to fraction form
    75,150.18/112,647.51 = 28,370.25/x
  3. Step 3: Cross multiply
    75,150.18x = 112,647.51 × 28,370.25
  4. Step 4: Simplify right side
    75,150.18x = 3,195,838,020.58
  5. Step 5: Solve for x
    x = 3,195,838,020.58/75,150.18
  6. Step 6: Final answer
    x = 42,526.02

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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.