Home / 66,256.95-91,388.61-45,830.10

Finding the Fourth Proportional to 66,256.95, 91,388.61 and 45,830.10

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Solution

The fourth proportional to 66,256.95, 91,388.61 and 45,830.10 is: 63,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,256.95 : 91,388.61 = 45,830.10 : x
  2. Step 2: Convert to fraction form
    66,256.95/91,388.61 = 45,830.10/x
  3. Step 3: Cross multiply
    66,256.95x = 91,388.61 × 45,830.10
  4. Step 4: Simplify right side
    66,256.95x = 4,188,349,135.16
  5. Step 5: Solve for x
    x = 4,188,349,135.16/66,256.95
  6. Step 6: Final answer
    x = 63,213.73

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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.