Home / 75,711.90-104,482.42-43,899.24

Finding the Fourth Proportional to 75,711.90, 104,482.42 and 43,899.24

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Solution

The fourth proportional to 75,711.90, 104,482.42 and 43,899.24 is: 60,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,711.90 : 104,482.42 = 43,899.24 : x
  2. Step 2: Convert to fraction form
    75,711.90/104,482.42 = 43,899.24/x
  3. Step 3: Cross multiply
    75,711.90x = 104,482.42 × 43,899.24
  4. Step 4: Simplify right side
    75,711.90x = 4,586,698,831.36
  5. Step 5: Solve for x
    x = 4,586,698,831.36/75,711.90
  6. Step 6: Final answer
    x = 60,580.95

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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.