Home / 66,867.90-92,307.09-46,803.56

Finding the Fourth Proportional to 66,867.90, 92,307.09 and 46,803.56

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Solution

The fourth proportional to 66,867.90, 92,307.09 and 46,803.56 is: 64,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,867.90 : 92,307.09 = 46,803.56 : x
  2. Step 2: Convert to fraction form
    66,867.90/92,307.09 = 46,803.56/x
  3. Step 3: Cross multiply
    66,867.90x = 92,307.09 × 46,803.56
  4. Step 4: Simplify right side
    66,867.90x = 4,320,300,139.22
  5. Step 5: Solve for x
    x = 4,320,300,139.22/66,867.90
  6. Step 6: Final answer
    x = 64,609.48

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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.