Home / 76,015.17-104,891.85-42,019.07

Finding the Fourth Proportional to 76,015.17, 104,891.85 and 42,019.07

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Solution

The fourth proportional to 76,015.17, 104,891.85 and 42,019.07 is: 57,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.17 : 104,891.85 = 42,019.07 : x
  2. Step 2: Convert to fraction form
    76,015.17/104,891.85 = 42,019.07/x
  3. Step 3: Cross multiply
    76,015.17x = 104,891.85 × 42,019.07
  4. Step 4: Simplify right side
    76,015.17x = 4,407,457,463.12
  5. Step 5: Solve for x
    x = 4,407,457,463.12/76,015.17
  6. Step 6: Final answer
    x = 57,981.29

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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.