Home / 68,626.25-94,703.30-38,411.57

Finding the Fourth Proportional to 68,626.25, 94,703.30 and 38,411.57

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Solution

The fourth proportional to 68,626.25, 94,703.30 and 38,411.57 is: 53,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,626.25 : 94,703.30 = 38,411.57 : x
  2. Step 2: Convert to fraction form
    68,626.25/94,703.30 = 38,411.57/x
  3. Step 3: Cross multiply
    68,626.25x = 94,703.30 × 38,411.57
  4. Step 4: Simplify right side
    68,626.25x = 3,637,702,437.18
  5. Step 5: Solve for x
    x = 3,637,702,437.18/68,626.25
  6. Step 6: Final answer
    x = 53,007.45

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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.