Home / 72,127.79-99,519.29-41,895.14

Finding the Fourth Proportional to 72,127.79, 99,519.29 and 41,895.14

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Solution

The fourth proportional to 72,127.79, 99,519.29 and 41,895.14 is: 57,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,127.79 : 99,519.29 = 41,895.14 : x
  2. Step 2: Convert to fraction form
    72,127.79/99,519.29 = 41,895.14/x
  3. Step 3: Cross multiply
    72,127.79x = 99,519.29 × 41,895.14
  4. Step 4: Simplify right side
    72,127.79x = 4,169,374,626.57
  5. Step 5: Solve for x
    x = 4,169,374,626.57/72,127.79
  6. Step 6: Final answer
    x = 57,805.39

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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.