Home / 58,002.12-86,914.62-43,139.16

Finding the Fourth Proportional to 58,002.12, 86,914.62 and 43,139.16

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Solution

The fourth proportional to 58,002.12, 86,914.62 and 43,139.16 is: 64,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,002.12 : 86,914.62 = 43,139.16 : x
  2. Step 2: Convert to fraction form
    58,002.12/86,914.62 = 43,139.16/x
  3. Step 3: Cross multiply
    58,002.12x = 86,914.62 × 43,139.16
  4. Step 4: Simplify right side
    58,002.12x = 3,749,423,698.52
  5. Step 5: Solve for x
    x = 3,749,423,698.52/58,002.12
  6. Step 6: Final answer
    x = 64,642.87

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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.