Home / 58,130.64-87,077.61-53,286.84

Finding the Fourth Proportional to 58,130.64, 87,077.61 and 53,286.84

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Solution

The fourth proportional to 58,130.64, 87,077.61 and 53,286.84 is: 79,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,130.64 : 87,077.61 = 53,286.84 : x
  2. Step 2: Convert to fraction form
    58,130.64/87,077.61 = 53,286.84/x
  3. Step 3: Cross multiply
    58,130.64x = 87,077.61 × 53,286.84
  4. Step 4: Simplify right side
    58,130.64x = 4,640,090,671.65
  5. Step 5: Solve for x
    x = 4,640,090,671.65/58,130.64
  6. Step 6: Final answer
    x = 79,821.77

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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.