Home / 76,864.32-106,077.64-43,332.48

Finding the Fourth Proportional to 76,864.32, 106,077.64 and 43,332.48

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Solution

The fourth proportional to 76,864.32, 106,077.64 and 43,332.48 is: 59,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,864.32 : 106,077.64 = 43,332.48 : x
  2. Step 2: Convert to fraction form
    76,864.32/106,077.64 = 43,332.48/x
  3. Step 3: Cross multiply
    76,864.32x = 106,077.64 × 43,332.48
  4. Step 4: Simplify right side
    76,864.32x = 4,596,607,213.75
  5. Step 5: Solve for x
    x = 4,596,607,213.75/76,864.32
  6. Step 6: Final answer
    x = 59,801.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.