Home / 74,322.76-102,487.24-57,329.76

Finding the Fourth Proportional to 74,322.76, 102,487.24 and 57,329.76

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Solution

The fourth proportional to 74,322.76, 102,487.24 and 57,329.76 is: 79,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,322.76 : 102,487.24 = 57,329.76 : x
  2. Step 2: Convert to fraction form
    74,322.76/102,487.24 = 57,329.76/x
  3. Step 3: Cross multiply
    74,322.76x = 102,487.24 × 57,329.76
  4. Step 4: Simplify right side
    74,322.76x = 5,875,568,872.26
  5. Step 5: Solve for x
    x = 5,875,568,872.26/74,322.76
  6. Step 6: Final answer
    x = 79,054.77

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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.