Home / 66,219.36-91,320.06-42,304.52

Finding the Fourth Proportional to 66,219.36, 91,320.06 and 42,304.52

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Solution

The fourth proportional to 66,219.36, 91,320.06 and 42,304.52 is: 58,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.36 : 91,320.06 = 42,304.52 : x
  2. Step 2: Convert to fraction form
    66,219.36/91,320.06 = 42,304.52/x
  3. Step 3: Cross multiply
    66,219.36x = 91,320.06 × 42,304.52
  4. Step 4: Simplify right side
    66,219.36x = 3,863,251,304.67
  5. Step 5: Solve for x
    x = 3,863,251,304.67/66,219.36
  6. Step 6: Final answer
    x = 58,340.21

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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.