Home / 66,322.08-91,521.48-36,106.63

Finding the Fourth Proportional to 66,322.08, 91,521.48 and 36,106.63

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Solution

The fourth proportional to 66,322.08, 91,521.48 and 36,106.63 is: 49,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,322.08 : 91,521.48 = 36,106.63 : x
  2. Step 2: Convert to fraction form
    66,322.08/91,521.48 = 36,106.63/x
  3. Step 3: Cross multiply
    66,322.08x = 91,521.48 × 36,106.63
  4. Step 4: Simplify right side
    66,322.08x = 3,304,532,215.41
  5. Step 5: Solve for x
    x = 3,304,532,215.41/66,322.08
  6. Step 6: Final answer
    x = 49,825.52

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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.