Home / 76,607.04-105,717.76-43,073.28

Finding the Fourth Proportional to 76,607.04, 105,717.76 and 43,073.28

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Solution

The fourth proportional to 76,607.04, 105,717.76 and 43,073.28 is: 59,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,607.04 : 105,717.76 = 43,073.28 : x
  2. Step 2: Convert to fraction form
    76,607.04/105,717.76 = 43,073.28/x
  3. Step 3: Cross multiply
    76,607.04x = 105,717.76 × 43,073.28
  4. Step 4: Simplify right side
    76,607.04x = 4,553,610,677.45
  5. Step 5: Solve for x
    x = 4,553,610,677.45/76,607.04
  6. Step 6: Final answer
    x = 59,441.15

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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.