Home / 75,069.78-112,637.34-47,054.04

Finding the Fourth Proportional to 75,069.78, 112,637.34 and 47,054.04

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Solution

The fourth proportional to 75,069.78, 112,637.34 and 47,054.04 is: 70,601.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,069.78 : 112,637.34 = 47,054.04 : x
  2. Step 2: Convert to fraction form
    75,069.78/112,637.34 = 47,054.04/x
  3. Step 3: Cross multiply
    75,069.78x = 112,637.34 × 47,054.04
  4. Step 4: Simplify right side
    75,069.78x = 5,300,041,901.85
  5. Step 5: Solve for x
    x = 5,300,041,901.85/75,069.78
  6. Step 6: Final answer
    x = 70,601.54

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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.