Home / 77,270.14-115,979.94-37,317.13

Finding the Fourth Proportional to 77,270.14, 115,979.94 and 37,317.13

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Solution

The fourth proportional to 77,270.14, 115,979.94 and 37,317.13 is: 56,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,270.14 : 115,979.94 = 37,317.13 : x
  2. Step 2: Convert to fraction form
    77,270.14/115,979.94 = 37,317.13/x
  3. Step 3: Cross multiply
    77,270.14x = 115,979.94 × 37,317.13
  4. Step 4: Simplify right side
    77,270.14x = 4,328,038,498.37
  5. Step 5: Solve for x
    x = 4,328,038,498.37/77,270.14
  6. Step 6: Final answer
    x = 56,011.79

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1.5x scale

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.