Home / 74,213.67-102,433.47-42,401.01

Finding the Fourth Proportional to 74,213.67, 102,433.47 and 42,401.01

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Solution

The fourth proportional to 74,213.67, 102,433.47 and 42,401.01 is: 58,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,213.67 : 102,433.47 = 42,401.01 : x
  2. Step 2: Convert to fraction form
    74,213.67/102,433.47 = 42,401.01/x
  3. Step 3: Cross multiply
    74,213.67x = 102,433.47 × 42,401.01
  4. Step 4: Simplify right side
    74,213.67x = 4,343,282,585.80
  5. Step 5: Solve for x
    x = 4,343,282,585.80/74,213.67
  6. Step 6: Final answer
    x = 58,524.02

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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.