Home / 68,360.08-94,356.71-39,686.18

Finding the Fourth Proportional to 68,360.08, 94,356.71 and 39,686.18

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Solution

The fourth proportional to 68,360.08, 94,356.71 and 39,686.18 is: 54,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,360.08 : 94,356.71 = 39,686.18 : x
  2. Step 2: Convert to fraction form
    68,360.08/94,356.71 = 39,686.18/x
  3. Step 3: Cross multiply
    68,360.08x = 94,356.71 × 39,686.18
  4. Step 4: Simplify right side
    68,360.08x = 3,744,657,386.63
  5. Step 5: Solve for x
    x = 3,744,657,386.63/68,360.08
  6. Step 6: Final answer
    x = 54,778.42

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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.