Home / 75,422.04-104,090.58-48,222.78

Finding the Fourth Proportional to 75,422.04, 104,090.58 and 48,222.78

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Solution

The fourth proportional to 75,422.04, 104,090.58 and 48,222.78 is: 66,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.04 : 104,090.58 = 48,222.78 : x
  2. Step 2: Convert to fraction form
    75,422.04/104,090.58 = 48,222.78/x
  3. Step 3: Cross multiply
    75,422.04x = 104,090.58 × 48,222.78
  4. Step 4: Simplify right side
    75,422.04x = 5,019,537,139.41
  5. Step 5: Solve for x
    x = 5,019,537,139.41/75,422.04
  6. Step 6: Final answer
    x = 66,552.66

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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.