Home / 58,165.36-87,083.71-47,428.07

Finding the Fourth Proportional to 58,165.36, 87,083.71 and 47,428.07

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Solution

The fourth proportional to 58,165.36, 87,083.71 and 47,428.07 is: 71,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,165.36 : 87,083.71 = 47,428.07 : x
  2. Step 2: Convert to fraction form
    58,165.36/87,083.71 = 47,428.07/x
  3. Step 3: Cross multiply
    58,165.36x = 87,083.71 × 47,428.07
  4. Step 4: Simplify right side
    58,165.36x = 4,130,211,739.75
  5. Step 5: Solve for x
    x = 4,130,211,739.75/58,165.36
  6. Step 6: Final answer
    x = 71,008.10

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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.