Home / 65,700.36-90,559.98-51,335.07

Finding the Fourth Proportional to 65,700.36, 90,559.98 and 51,335.07

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Solution

The fourth proportional to 65,700.36, 90,559.98 and 51,335.07 is: 70,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,700.36 : 90,559.98 = 51,335.07 : x
  2. Step 2: Convert to fraction form
    65,700.36/90,559.98 = 51,335.07/x
  3. Step 3: Cross multiply
    65,700.36x = 90,559.98 × 51,335.07
  4. Step 4: Simplify right side
    65,700.36x = 4,648,902,912.50
  5. Step 5: Solve for x
    x = 4,648,902,912.50/65,700.36
  6. Step 6: Final answer
    x = 70,759.17

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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.