Home / 58,151.79-87,172.26-18,681.18

Finding the Fourth Proportional to 58,151.79, 87,172.26 and 18,681.18

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Solution

The fourth proportional to 58,151.79, 87,172.26 and 18,681.18 is: 28,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,151.79 : 87,172.26 = 18,681.18 : x
  2. Step 2: Convert to fraction form
    58,151.79/87,172.26 = 18,681.18/x
  3. Step 3: Cross multiply
    58,151.79x = 87,172.26 × 18,681.18
  4. Step 4: Simplify right side
    58,151.79x = 1,628,480,680.07
  5. Step 5: Solve for x
    x = 1,628,480,680.07/58,151.79
  6. Step 6: Final answer
    x = 28,003.96

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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.