Home / 74,155.34-102,341.70-42,329.03

Finding the Fourth Proportional to 74,155.34, 102,341.70 and 42,329.03

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Solution

The fourth proportional to 74,155.34, 102,341.70 and 42,329.03 is: 58,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,155.34 : 102,341.70 = 42,329.03 : x
  2. Step 2: Convert to fraction form
    74,155.34/102,341.70 = 42,329.03/x
  3. Step 3: Cross multiply
    74,155.34x = 102,341.70 × 42,329.03
  4. Step 4: Simplify right side
    74,155.34x = 4,332,024,377.84
  5. Step 5: Solve for x
    x = 4,332,024,377.84/74,155.34
  6. Step 6: Final answer
    x = 58,418.24

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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.