Home / 66,229.46-91,430.52-51,088.14

Finding the Fourth Proportional to 66,229.46, 91,430.52 and 51,088.14

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Solution

The fourth proportional to 66,229.46, 91,430.52 and 51,088.14 is: 70,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.46 : 91,430.52 = 51,088.14 : x
  2. Step 2: Convert to fraction form
    66,229.46/91,430.52 = 51,088.14/x
  3. Step 3: Cross multiply
    66,229.46x = 91,430.52 × 51,088.14
  4. Step 4: Simplify right side
    66,229.46x = 4,671,015,206.03
  5. Step 5: Solve for x
    x = 4,671,015,206.03/66,229.46
  6. Step 6: Final answer
    x = 70,527.76

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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.