Home / 76,898.02-115,365.66-37,446.16

Finding the Fourth Proportional to 76,898.02, 115,365.66 and 37,446.16

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Solution

The fourth proportional to 76,898.02, 115,365.66 and 37,446.16 is: 56,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,898.02 : 115,365.66 = 37,446.16 : x
  2. Step 2: Convert to fraction form
    76,898.02/115,365.66 = 37,446.16/x
  3. Step 3: Cross multiply
    76,898.02x = 115,365.66 × 37,446.16
  4. Step 4: Simplify right side
    76,898.02x = 4,320,000,962.87
  5. Step 5: Solve for x
    x = 4,320,000,962.87/76,898.02
  6. Step 6: Final answer
    x = 56,178.31

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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.