Home / 54,259.02-74,937.42-49,775.67

Finding the Fourth Proportional to 54,259.02, 74,937.42 and 49,775.67

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Solution

The fourth proportional to 54,259.02, 74,937.42 and 49,775.67 is: 68,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.02 : 74,937.42 = 49,775.67 : x
  2. Step 2: Convert to fraction form
    54,259.02/74,937.42 = 49,775.67/x
  3. Step 3: Cross multiply
    54,259.02x = 74,937.42 × 49,775.67
  4. Step 4: Simplify right side
    54,259.02x = 3,730,060,288.57
  5. Step 5: Solve for x
    x = 3,730,060,288.57/54,259.02
  6. Step 6: Final answer
    x = 68,745.44

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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.