Home / 76,005.48-113,908.86-40,869.48

Finding the Fourth Proportional to 76,005.48, 113,908.86 and 40,869.48

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Solution

The fourth proportional to 76,005.48, 113,908.86 and 40,869.48 is: 61,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,005.48 : 113,908.86 = 40,869.48 : x
  2. Step 2: Convert to fraction form
    76,005.48/113,908.86 = 40,869.48/x
  3. Step 3: Cross multiply
    76,005.48x = 113,908.86 × 40,869.48
  4. Step 4: Simplify right side
    76,005.48x = 4,655,395,875.59
  5. Step 5: Solve for x
    x = 4,655,395,875.59/76,005.48
  6. Step 6: Final answer
    x = 61,250.79

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1.5x scale

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.