Home / 66,740.69-92,093.06-39,877.52

Finding the Fourth Proportional to 66,740.69, 92,093.06 and 39,877.52

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Solution

The fourth proportional to 66,740.69, 92,093.06 and 39,877.52 is: 55,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.69 : 92,093.06 = 39,877.52 : x
  2. Step 2: Convert to fraction form
    66,740.69/92,093.06 = 39,877.52/x
  3. Step 3: Cross multiply
    66,740.69x = 92,093.06 × 39,877.52
  4. Step 4: Simplify right side
    66,740.69x = 3,672,442,182.16
  5. Step 5: Solve for x
    x = 3,672,442,182.16/66,740.69
  6. Step 6: Final answer
    x = 55,025.54

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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.