Home / 77,840.52-116,585.64-54,570.84

Finding the Fourth Proportional to 77,840.52, 116,585.64 and 54,570.84

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Solution

The fourth proportional to 77,840.52, 116,585.64 and 54,570.84 is: 81,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,840.52 : 116,585.64 = 54,570.84 : x
  2. Step 2: Convert to fraction form
    77,840.52/116,585.64 = 54,570.84/x
  3. Step 3: Cross multiply
    77,840.52x = 116,585.64 × 54,570.84
  4. Step 4: Simplify right side
    77,840.52x = 6,362,176,306.74
  5. Step 5: Solve for x
    x = 6,362,176,306.74/77,840.52
  6. Step 6: Final answer
    x = 81,733.48

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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.