Home / 74,208.98-102,418.89-45,923.78

Finding the Fourth Proportional to 74,208.98, 102,418.89 and 45,923.78

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Solution

The fourth proportional to 74,208.98, 102,418.89 and 45,923.78 is: 63,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.98 : 102,418.89 = 45,923.78 : x
  2. Step 2: Convert to fraction form
    74,208.98/102,418.89 = 45,923.78/x
  3. Step 3: Cross multiply
    74,208.98x = 102,418.89 × 45,923.78
  4. Step 4: Simplify right side
    74,208.98x = 4,703,462,572.20
  5. Step 5: Solve for x
    x = 4,703,462,572.20/74,208.98
  6. Step 6: Final answer
    x = 63,381.31

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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.