Home / 66,216.36-91,315.92-42,301.52

Finding the Fourth Proportional to 66,216.36, 91,315.92 and 42,301.52

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Solution

The fourth proportional to 66,216.36, 91,315.92 and 42,301.52 is: 58,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,216.36 : 91,315.92 = 42,301.52 : x
  2. Step 2: Convert to fraction form
    66,216.36/91,315.92 = 42,301.52/x
  3. Step 3: Cross multiply
    66,216.36x = 91,315.92 × 42,301.52
  4. Step 4: Simplify right side
    66,216.36x = 3,862,802,216.20
  5. Step 5: Solve for x
    x = 3,862,802,216.20/66,216.36
  6. Step 6: Final answer
    x = 58,336.07

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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.