Home / 65,600.74-90,533.91-40,111.93

Finding the Fourth Proportional to 65,600.74, 90,533.91 and 40,111.93

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Solution

The fourth proportional to 65,600.74, 90,533.91 and 40,111.93 is: 55,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,600.74 : 90,533.91 = 40,111.93 : x
  2. Step 2: Convert to fraction form
    65,600.74/90,533.91 = 40,111.93/x
  3. Step 3: Cross multiply
    65,600.74x = 90,533.91 × 40,111.93
  4. Step 4: Simplify right side
    65,600.74x = 3,631,489,860.55
  5. Step 5: Solve for x
    x = 3,631,489,860.55/65,600.74
  6. Step 6: Final answer
    x = 55,357.45

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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.