Home / 58,518.37-87,760.80-19,078.93

Finding the Fourth Proportional to 58,518.37, 87,760.80 and 19,078.93

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Solution

The fourth proportional to 58,518.37, 87,760.80 and 19,078.93 is: 28,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,518.37 : 87,760.80 = 19,078.93 : x
  2. Step 2: Convert to fraction form
    58,518.37/87,760.80 = 19,078.93/x
  3. Step 3: Cross multiply
    58,518.37x = 87,760.80 × 19,078.93
  4. Step 4: Simplify right side
    58,518.37x = 1,674,382,159.94
  5. Step 5: Solve for x
    x = 1,674,382,159.94/58,518.37
  6. Step 6: Final answer
    x = 28,612.93

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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.