Home / 68,688.64-94,570.01-53,561.89

Finding the Fourth Proportional to 68,688.64, 94,570.01 and 53,561.89

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Solution

The fourth proportional to 68,688.64, 94,570.01 and 53,561.89 is: 73,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688.64 : 94,570.01 = 53,561.89 : x
  2. Step 2: Convert to fraction form
    68,688.64/94,570.01 = 53,561.89/x
  3. Step 3: Cross multiply
    68,688.64x = 94,570.01 × 53,561.89
  4. Step 4: Simplify right side
    68,688.64x = 5,065,348,000.07
  5. Step 5: Solve for x
    x = 5,065,348,000.07/68,688.64
  6. Step 6: Final answer
    x = 73,743.61

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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.