Home / 74,412.14-102,715.72-49,269.74

Finding the Fourth Proportional to 74,412.14, 102,715.72 and 49,269.74

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Solution

The fourth proportional to 74,412.14, 102,715.72 and 49,269.74 is: 68,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,412.14 : 102,715.72 = 49,269.74 : x
  2. Step 2: Convert to fraction form
    74,412.14/102,715.72 = 49,269.74/x
  3. Step 3: Cross multiply
    74,412.14x = 102,715.72 × 49,269.74
  4. Step 4: Simplify right side
    74,412.14x = 5,060,776,818.31
  5. Step 5: Solve for x
    x = 5,060,776,818.31/74,412.14
  6. Step 6: Final answer
    x = 68,010.10

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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.