Home / 75,637.61-113,385.94-25,683.55

Finding the Fourth Proportional to 75,637.61, 113,385.94 and 25,683.55

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Solution

The fourth proportional to 75,637.61, 113,385.94 and 25,683.55 is: 38,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,637.61 : 113,385.94 = 25,683.55 : x
  2. Step 2: Convert to fraction form
    75,637.61/113,385.94 = 25,683.55/x
  3. Step 3: Cross multiply
    75,637.61x = 113,385.94 × 25,683.55
  4. Step 4: Simplify right side
    75,637.61x = 2,912,153,111.61
  5. Step 5: Solve for x
    x = 2,912,153,111.61/75,637.61
  6. Step 6: Final answer
    x = 38,501.39

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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.