Home / 74,008.93-102,132.10-40,017.18

Finding the Fourth Proportional to 74,008.93, 102,132.10 and 40,017.18

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Solution

The fourth proportional to 74,008.93, 102,132.10 and 40,017.18 is: 55,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,008.93 : 102,132.10 = 40,017.18 : x
  2. Step 2: Convert to fraction form
    74,008.93/102,132.10 = 40,017.18/x
  3. Step 3: Cross multiply
    74,008.93x = 102,132.10 × 40,017.18
  4. Step 4: Simplify right side
    74,008.93x = 4,087,038,629.48
  5. Step 5: Solve for x
    x = 4,087,038,629.48/74,008.93
  6. Step 6: Final answer
    x = 55,223.59

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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.