Home / 77,637.49-116,373.18-40,159.82

Finding the Fourth Proportional to 77,637.49, 116,373.18 and 40,159.82

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Solution

The fourth proportional to 77,637.49, 116,373.18 and 40,159.82 is: 60,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,637.49 : 116,373.18 = 40,159.82 : x
  2. Step 2: Convert to fraction form
    77,637.49/116,373.18 = 40,159.82/x
  3. Step 3: Cross multiply
    77,637.49x = 116,373.18 × 40,159.82
  4. Step 4: Simplify right side
    77,637.49x = 4,673,525,961.63
  5. Step 5: Solve for x
    x = 4,673,525,961.63/77,637.49
  6. Step 6: Final answer
    x = 60,196.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.