Home / 76,846.16-115,262.75-43,461.20

Finding the Fourth Proportional to 76,846.16, 115,262.75 and 43,461.20

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Solution

The fourth proportional to 76,846.16, 115,262.75 and 43,461.20 is: 65,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,846.16 : 115,262.75 = 43,461.20 : x
  2. Step 2: Convert to fraction form
    76,846.16/115,262.75 = 43,461.20/x
  3. Step 3: Cross multiply
    76,846.16x = 115,262.75 × 43,461.20
  4. Step 4: Simplify right side
    76,846.16x = 5,009,457,827.11
  5. Step 5: Solve for x
    x = 5,009,457,827.11/76,846.16
  6. Step 6: Final answer
    x = 65,188.13

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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.