Home / 66,148.34-91,286.12-37,468.13

Finding the Fourth Proportional to 66,148.34, 91,286.12 and 37,468.13

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Solution

The fourth proportional to 66,148.34, 91,286.12 and 37,468.13 is: 51,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.34 : 91,286.12 = 37,468.13 : x
  2. Step 2: Convert to fraction form
    66,148.34/91,286.12 = 37,468.13/x
  3. Step 3: Cross multiply
    66,148.34x = 91,286.12 × 37,468.13
  4. Step 4: Simplify right side
    66,148.34x = 3,420,319,848.60
  5. Step 5: Solve for x
    x = 3,420,319,848.60/66,148.34
  6. Step 6: Final answer
    x = 51,706.82

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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.