Home / 45,430.13-68,147.93-14,265.38

Finding the Fourth Proportional to 45,430.13, 68,147.93 and 14,265.38

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Solution

The fourth proportional to 45,430.13, 68,147.93 and 14,265.38 is: 21,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.13 : 68,147.93 = 14,265.38 : x
  2. Step 2: Convert to fraction form
    45,430.13/68,147.93 = 14,265.38/x
  3. Step 3: Cross multiply
    45,430.13x = 68,147.93 × 14,265.38
  4. Step 4: Simplify right side
    45,430.13x = 972,155,705.60
  5. Step 5: Solve for x
    x = 972,155,705.60/45,430.13
  6. Step 6: Final answer
    x = 21,398.92

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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.