Home / 76,037.95-114,054.55-31,663.58

Finding the Fourth Proportional to 76,037.95, 114,054.55 and 31,663.58

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Solution

The fourth proportional to 76,037.95, 114,054.55 and 31,663.58 is: 47,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,037.95 : 114,054.55 = 31,663.58 : x
  2. Step 2: Convert to fraction form
    76,037.95/114,054.55 = 31,663.58/x
  3. Step 3: Cross multiply
    76,037.95x = 114,054.55 × 31,663.58
  4. Step 4: Simplify right side
    76,037.95x = 3,611,375,368.29
  5. Step 5: Solve for x
    x = 3,611,375,368.29/76,037.95
  6. Step 6: Final answer
    x = 47,494.38

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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.