Home / 77,031.36-106,302.06-43,040.52

Finding the Fourth Proportional to 77,031.36, 106,302.06 and 43,040.52

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Solution

The fourth proportional to 77,031.36, 106,302.06 and 43,040.52 is: 59,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.36 : 106,302.06 = 43,040.52 : x
  2. Step 2: Convert to fraction form
    77,031.36/106,302.06 = 43,040.52/x
  3. Step 3: Cross multiply
    77,031.36x = 106,302.06 × 43,040.52
  4. Step 4: Simplify right side
    77,031.36x = 4,575,295,939.47
  5. Step 5: Solve for x
    x = 4,575,295,939.47/77,031.36
  6. Step 6: Final answer
    x = 59,395.24

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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.