Home / 76,598.61-115,005.56-39,185.52

Finding the Fourth Proportional to 76,598.61, 115,005.56 and 39,185.52

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Solution

The fourth proportional to 76,598.61, 115,005.56 and 39,185.52 is: 58,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,598.61 : 115,005.56 = 39,185.52 : x
  2. Step 2: Convert to fraction form
    76,598.61/115,005.56 = 39,185.52/x
  3. Step 3: Cross multiply
    76,598.61x = 115,005.56 × 39,185.52
  4. Step 4: Simplify right side
    76,598.61x = 4,506,552,475.56
  5. Step 5: Solve for x
    x = 4,506,552,475.56/76,598.61
  6. Step 6: Final answer
    x = 58,833.35

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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.