Home / 75,501.71-113,202.75-42,225.29

Finding the Fourth Proportional to 75,501.71, 113,202.75 and 42,225.29

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Solution

The fourth proportional to 75,501.71, 113,202.75 and 42,225.29 is: 63,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,501.71 : 113,202.75 = 42,225.29 : x
  2. Step 2: Convert to fraction form
    75,501.71/113,202.75 = 42,225.29/x
  3. Step 3: Cross multiply
    75,501.71x = 113,202.75 × 42,225.29
  4. Step 4: Simplify right side
    75,501.71x = 4,780,018,947.55
  5. Step 5: Solve for x
    x = 4,780,018,947.55/75,501.71
  6. Step 6: Final answer
    x = 63,310.08

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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.