Home / 74,417.61-102,623.97-56,513.37

Finding the Fourth Proportional to 74,417.61, 102,623.97 and 56,513.37

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Solution

The fourth proportional to 74,417.61, 102,623.97 and 56,513.37 is: 77,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.61 : 102,623.97 = 56,513.37 : x
  2. Step 2: Convert to fraction form
    74,417.61/102,623.97 = 56,513.37/x
  3. Step 3: Cross multiply
    74,417.61x = 102,623.97 × 56,513.37
  4. Step 4: Simplify right side
    74,417.61x = 5,799,626,387.48
  5. Step 5: Solve for x
    x = 5,799,626,387.48/74,417.61
  6. Step 6: Final answer
    x = 77,933.52

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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.