Home / 58,291.81-87,465.37-30,206.61

Finding the Fourth Proportional to 58,291.81, 87,465.37 and 30,206.61

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Solution

The fourth proportional to 58,291.81, 87,465.37 and 30,206.61 is: 45,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,291.81 : 87,465.37 = 30,206.61 : x
  2. Step 2: Convert to fraction form
    58,291.81/87,465.37 = 30,206.61/x
  3. Step 3: Cross multiply
    58,291.81x = 87,465.37 × 30,206.61
  4. Step 4: Simplify right side
    58,291.81x = 2,642,032,320.10
  5. Step 5: Solve for x
    x = 2,642,032,320.10/58,291.81
  6. Step 6: Final answer
    x = 45,324.25

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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.