Home / 78,177.25-107,973.71-52,983.01

Finding the Fourth Proportional to 78,177.25, 107,973.71 and 52,983.01

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Solution

The fourth proportional to 78,177.25, 107,973.71 and 52,983.01 is: 73,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,177.25 : 107,973.71 = 52,983.01 : x
  2. Step 2: Convert to fraction form
    78,177.25/107,973.71 = 52,983.01/x
  3. Step 3: Cross multiply
    78,177.25x = 107,973.71 × 52,983.01
  4. Step 4: Simplify right side
    78,177.25x = 5,720,772,156.67
  5. Step 5: Solve for x
    x = 5,720,772,156.67/78,177.25
  6. Step 6: Final answer
    x = 73,176.94

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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.