Home / 145,083.16-217,634.74-60,758.42

Finding the Fourth Proportional to 145,083.16, 217,634.74 and 60,758.42

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Solution

The fourth proportional to 145,083.16, 217,634.74 and 60,758.42 is: 91,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,083.16 : 217,634.74 = 60,758.42 : x
  2. Step 2: Convert to fraction form
    145,083.16/217,634.74 = 60,758.42/x
  3. Step 3: Cross multiply
    145,083.16x = 217,634.74 × 60,758.42
  4. Step 4: Simplify right side
    145,083.16x = 13,223,142,939.51
  5. Step 5: Solve for x
    x = 13,223,142,939.51/145,083.16
  6. Step 6: Final answer
    x = 91,141.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.