Home / 76,444.52-114,624.74-40,947.45

Finding the Fourth Proportional to 76,444.52, 114,624.74 and 40,947.45

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Solution

The fourth proportional to 76,444.52, 114,624.74 and 40,947.45 is: 61,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,444.52 : 114,624.74 = 40,947.45 : x
  2. Step 2: Convert to fraction form
    76,444.52/114,624.74 = 40,947.45/x
  3. Step 3: Cross multiply
    76,444.52x = 114,624.74 × 40,947.45
  4. Step 4: Simplify right side
    76,444.52x = 4,693,590,605.18
  5. Step 5: Solve for x
    x = 4,693,590,605.18/76,444.52
  6. Step 6: Final answer
    x = 61,398.66

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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.