Home / 58,351.05-87,532.02-45,218.16

Finding the Fourth Proportional to 58,351.05, 87,532.02 and 45,218.16

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Solution

The fourth proportional to 58,351.05, 87,532.02 and 45,218.16 is: 67,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,351.05 : 87,532.02 = 45,218.16 : x
  2. Step 2: Convert to fraction form
    58,351.05/87,532.02 = 45,218.16/x
  3. Step 3: Cross multiply
    58,351.05x = 87,532.02 × 45,218.16
  4. Step 4: Simplify right side
    58,351.05x = 3,958,036,885.48
  5. Step 5: Solve for x
    x = 3,958,036,885.48/58,351.05
  6. Step 6: Final answer
    x = 67,831.46

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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.