Home / 77,637.58-116,373.31-40,159.93

Finding the Fourth Proportional to 77,637.58, 116,373.31 and 40,159.93

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Solution

The fourth proportional to 77,637.58, 116,373.31 and 40,159.93 is: 60,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,637.58 : 116,373.31 = 40,159.93 : x
  2. Step 2: Convert to fraction form
    77,637.58/116,373.31 = 40,159.93/x
  3. Step 3: Cross multiply
    77,637.58x = 116,373.31 × 40,159.93
  4. Step 4: Simplify right side
    77,637.58x = 4,673,543,983.47
  5. Step 5: Solve for x
    x = 4,673,543,983.47/77,637.58
  6. Step 6: Final answer
    x = 60,196.93

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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.