Home / 58,115.14-87,054.39-53,271.28

Finding the Fourth Proportional to 58,115.14, 87,054.39 and 53,271.28

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Solution

The fourth proportional to 58,115.14, 87,054.39 and 53,271.28 is: 79,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,115.14 : 87,054.39 = 53,271.28 : x
  2. Step 2: Convert to fraction form
    58,115.14/87,054.39 = 53,271.28/x
  3. Step 3: Cross multiply
    58,115.14x = 87,054.39 × 53,271.28
  4. Step 4: Simplify right side
    58,115.14x = 4,637,498,784.92
  5. Step 5: Solve for x
    x = 4,637,498,784.92/58,115.14
  6. Step 6: Final answer
    x = 79,798.46

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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.