Home / 75,492.18-104,189.32-48,712.55

Finding the Fourth Proportional to 75,492.18, 104,189.32 and 48,712.55

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Solution

The fourth proportional to 75,492.18, 104,189.32 and 48,712.55 is: 67,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,492.18 : 104,189.32 = 48,712.55 : x
  2. Step 2: Convert to fraction form
    75,492.18/104,189.32 = 48,712.55/x
  3. Step 3: Cross multiply
    75,492.18x = 104,189.32 × 48,712.55
  4. Step 4: Simplify right side
    75,492.18x = 5,075,327,077.71
  5. Step 5: Solve for x
    x = 5,075,327,077.71/75,492.18
  6. Step 6: Final answer
    x = 67,229.84

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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.