Home / 68,567.16-94,616.78-39,887.40

Finding the Fourth Proportional to 68,567.16, 94,616.78 and 39,887.40

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Solution

The fourth proportional to 68,567.16, 94,616.78 and 39,887.40 is: 55,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,567.16 : 94,616.78 = 39,887.40 : x
  2. Step 2: Convert to fraction form
    68,567.16/94,616.78 = 39,887.40/x
  3. Step 3: Cross multiply
    68,567.16x = 94,616.78 × 39,887.40
  4. Step 4: Simplify right side
    68,567.16x = 3,774,017,350.57
  5. Step 5: Solve for x
    x = 3,774,017,350.57/68,567.16
  6. Step 6: Final answer
    x = 55,041.18

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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.