Home / 77,830.52-116,762.19-25,235.91

Finding the Fourth Proportional to 77,830.52, 116,762.19 and 25,235.91

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Solution

The fourth proportional to 77,830.52, 116,762.19 and 25,235.91 is: 37,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,830.52 : 116,762.19 = 25,235.91 : x
  2. Step 2: Convert to fraction form
    77,830.52/116,762.19 = 25,235.91/x
  3. Step 3: Cross multiply
    77,830.52x = 116,762.19 × 25,235.91
  4. Step 4: Simplify right side
    77,830.52x = 2,946,600,118.24
  5. Step 5: Solve for x
    x = 2,946,600,118.24/77,830.52
  6. Step 6: Final answer
    x = 37,859.18

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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.