Home / 68,688.14-94,569.32-53,561.39

Finding the Fourth Proportional to 68,688.14, 94,569.32 and 53,561.39

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Solution

The fourth proportional to 68,688.14, 94,569.32 and 53,561.39 is: 73,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688.14 : 94,569.32 = 53,561.39 : x
  2. Step 2: Convert to fraction form
    68,688.14/94,569.32 = 53,561.39/x
  3. Step 3: Cross multiply
    68,688.14x = 94,569.32 × 53,561.39
  4. Step 4: Simplify right side
    68,688.14x = 5,065,263,891.61
  5. Step 5: Solve for x
    x = 5,065,263,891.61/68,688.14
  6. Step 6: Final answer
    x = 73,742.92

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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.