Home / 76,719.35-114,936.47-41,688.47

Finding the Fourth Proportional to 76,719.35, 114,936.47 and 41,688.47

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Solution

The fourth proportional to 76,719.35, 114,936.47 and 41,688.47 is: 62,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,719.35 : 114,936.47 = 41,688.47 : x
  2. Step 2: Convert to fraction form
    76,719.35/114,936.47 = 41,688.47/x
  3. Step 3: Cross multiply
    76,719.35x = 114,936.47 × 41,688.47
  4. Step 4: Simplify right side
    76,719.35x = 4,791,525,373.06
  5. Step 5: Solve for x
    x = 4,791,525,373.06/76,719.35
  6. Step 6: Final answer
    x = 62,455.24

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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.