Home / 58,617.74-87,834.39-45,323.21

Finding the Fourth Proportional to 58,617.74, 87,834.39 and 45,323.21

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Solution

The fourth proportional to 58,617.74, 87,834.39 and 45,323.21 is: 67,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,617.74 : 87,834.39 = 45,323.21 : x
  2. Step 2: Convert to fraction form
    58,617.74/87,834.39 = 45,323.21/x
  3. Step 3: Cross multiply
    58,617.74x = 87,834.39 × 45,323.21
  4. Step 4: Simplify right side
    58,617.74x = 3,980,936,503.19
  5. Step 5: Solve for x
    x = 3,980,936,503.19/58,617.74
  6. Step 6: Final answer
    x = 67,913.51

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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.