Home / 75,630.12-113,420.85-25,017.90

Finding the Fourth Proportional to 75,630.12, 113,420.85 and 25,017.90

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Solution

The fourth proportional to 75,630.12, 113,420.85 and 25,017.90 is: 37,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,630.12 : 113,420.85 = 25,017.90 : x
  2. Step 2: Convert to fraction form
    75,630.12/113,420.85 = 25,017.90/x
  3. Step 3: Cross multiply
    75,630.12x = 113,420.85 × 25,017.90
  4. Step 4: Simplify right side
    75,630.12x = 2,837,551,483.22
  5. Step 5: Solve for x
    x = 2,837,551,483.22/75,630.12
  6. Step 6: Final answer
    x = 37,518.80

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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.