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Finding the Fourth Proportional to 58,975.40, 88,463.10 and 58,003.40

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Solution

The fourth proportional to 58,975.40, 88,463.10 and 58,003.40 is: 87,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,975.40 : 88,463.10 = 58,003.40 : x
  2. Step 2: Convert to fraction form
    58,975.40/88,463.10 = 58,003.40/x
  3. Step 3: Cross multiply
    58,975.40x = 88,463.10 × 58,003.40
  4. Step 4: Simplify right side
    58,975.40x = 5,131,160,574.54
  5. Step 5: Solve for x
    x = 5,131,160,574.54/58,975.40
  6. Step 6: Final answer
    x = 87,005.10

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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.