Home / 74,740.02-111,956.85-59,868.42

Finding the Fourth Proportional to 74,740.02, 111,956.85 and 59,868.42

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Solution

The fourth proportional to 74,740.02, 111,956.85 and 59,868.42 is: 89,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740.02 : 111,956.85 = 59,868.42 : x
  2. Step 2: Convert to fraction form
    74,740.02/111,956.85 = 59,868.42/x
  3. Step 3: Cross multiply
    74,740.02x = 111,956.85 × 59,868.42
  4. Step 4: Simplify right side
    74,740.02x = 6,702,679,717.68
  5. Step 5: Solve for x
    x = 6,702,679,717.68/74,740.02
  6. Step 6: Final answer
    x = 89,679.93

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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.