Home / 45,020.90-67,490.07-17,298.02

Finding the Fourth Proportional to 45,020.90, 67,490.07 and 17,298.02

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Solution

The fourth proportional to 45,020.90, 67,490.07 and 17,298.02 is: 25,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.90 : 67,490.07 = 17,298.02 : x
  2. Step 2: Convert to fraction form
    45,020.90/67,490.07 = 17,298.02/x
  3. Step 3: Cross multiply
    45,020.90x = 67,490.07 × 17,298.02
  4. Step 4: Simplify right side
    45,020.90x = 1,167,444,580.66
  5. Step 5: Solve for x
    x = 1,167,444,580.66/45,020.90
  6. Step 6: Final answer
    x = 25,931.17

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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.