Home / 67,340.03-92,908.64-39,040.07

Finding the Fourth Proportional to 67,340.03, 92,908.64 and 39,040.07

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Solution

The fourth proportional to 67,340.03, 92,908.64 and 39,040.07 is: 53,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,340.03 : 92,908.64 = 39,040.07 : x
  2. Step 2: Convert to fraction form
    67,340.03/92,908.64 = 39,040.07/x
  3. Step 3: Cross multiply
    67,340.03x = 92,908.64 × 39,040.07
  4. Step 4: Simplify right side
    67,340.03x = 3,627,159,442.26
  5. Step 5: Solve for x
    x = 3,627,159,442.26/67,340.03
  6. Step 6: Final answer
    x = 53,863.35

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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.