Home / 66,281.16-91,438.26-44,763.92

Finding the Fourth Proportional to 66,281.16, 91,438.26 and 44,763.92

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Solution

The fourth proportional to 66,281.16, 91,438.26 and 44,763.92 is: 61,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.16 : 91,438.26 = 44,763.92 : x
  2. Step 2: Convert to fraction form
    66,281.16/91,438.26 = 44,763.92/x
  3. Step 3: Cross multiply
    66,281.16x = 91,438.26 × 44,763.92
  4. Step 4: Simplify right side
    66,281.16x = 4,093,134,955.58
  5. Step 5: Solve for x
    x = 4,093,134,955.58/66,281.16
  6. Step 6: Final answer
    x = 61,754.12

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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.