Home / 74,284.50-102,510.96-42,014.85

Finding the Fourth Proportional to 74,284.50, 102,510.96 and 42,014.85

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Solution

The fourth proportional to 74,284.50, 102,510.96 and 42,014.85 is: 57,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,284.50 : 102,510.96 = 42,014.85 : x
  2. Step 2: Convert to fraction form
    74,284.50/102,510.96 = 42,014.85/x
  3. Step 3: Cross multiply
    74,284.50x = 102,510.96 × 42,014.85
  4. Step 4: Simplify right side
    74,284.50x = 4,306,982,607.76
  5. Step 5: Solve for x
    x = 4,306,982,607.76/74,284.50
  6. Step 6: Final answer
    x = 57,979.56

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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.