Home / 77,317.07-115,957.51-43,597.64

Finding the Fourth Proportional to 77,317.07, 115,957.51 and 43,597.64

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Solution

The fourth proportional to 77,317.07, 115,957.51 and 43,597.64 is: 65,386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,317.07 : 115,957.51 = 43,597.64 : x
  2. Step 2: Convert to fraction form
    77,317.07/115,957.51 = 43,597.64/x
  3. Step 3: Cross multiply
    77,317.07x = 115,957.51 × 43,597.64
  4. Step 4: Simplify right side
    77,317.07x = 5,055,473,957.18
  5. Step 5: Solve for x
    x = 5,055,473,957.18/77,317.07
  6. Step 6: Final answer
    x = 65,386.26

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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.