Home / 90,615.36-125,040.06-52,911.48

Finding the Fourth Proportional to 90,615.36, 125,040.06 and 52,911.48

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Solution

The fourth proportional to 90,615.36, 125,040.06 and 52,911.48 is: 73,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,615.36 : 125,040.06 = 52,911.48 : x
  2. Step 2: Convert to fraction form
    90,615.36/125,040.06 = 52,911.48/x
  3. Step 3: Cross multiply
    90,615.36x = 125,040.06 × 52,911.48
  4. Step 4: Simplify right side
    90,615.36x = 6,616,054,633.89
  5. Step 5: Solve for x
    x = 6,616,054,633.89/90,615.36
  6. Step 6: Final answer
    x = 73,012.51

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1.5x scale

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.