Home / 52,208.64-78,307.20-51,041.28

Finding the Fourth Proportional to 52,208.64, 78,307.20 and 51,041.28

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Solution

The fourth proportional to 52,208.64, 78,307.20 and 51,041.28 is: 76,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,208.64 : 78,307.20 = 51,041.28 : x
  2. Step 2: Convert to fraction form
    52,208.64/78,307.20 = 51,041.28/x
  3. Step 3: Cross multiply
    52,208.64x = 78,307.20 × 51,041.28
  4. Step 4: Simplify right side
    52,208.64x = 3,996,899,721.22
  5. Step 5: Solve for x
    x = 3,996,899,721.22/52,208.64
  6. Step 6: Final answer
    x = 76,556.29

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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.