Home / 76,901.76-106,131.74-46,680.14

Finding the Fourth Proportional to 76,901.76, 106,131.74 and 46,680.14

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Solution

The fourth proportional to 76,901.76, 106,131.74 and 46,680.14 is: 64,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,901.76 : 106,131.74 = 46,680.14 : x
  2. Step 2: Convert to fraction form
    76,901.76/106,131.74 = 46,680.14/x
  3. Step 3: Cross multiply
    76,901.76x = 106,131.74 × 46,680.14
  4. Step 4: Simplify right side
    76,901.76x = 4,954,243,717.58
  5. Step 5: Solve for x
    x = 4,954,243,717.58/76,901.76
  6. Step 6: Final answer
    x = 64,423.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.