Home / 76,367.43-105,407.07-42,844.23

Finding the Fourth Proportional to 76,367.43, 105,407.07 and 42,844.23

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Solution

The fourth proportional to 76,367.43, 105,407.07 and 42,844.23 is: 59,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,367.43 : 105,407.07 = 42,844.23 : x
  2. Step 2: Convert to fraction form
    76,367.43/105,407.07 = 42,844.23/x
  3. Step 3: Cross multiply
    76,367.43x = 105,407.07 × 42,844.23
  4. Step 4: Simplify right side
    76,367.43x = 4,516,084,750.71
  5. Step 5: Solve for x
    x = 4,516,084,750.71/76,367.43
  6. Step 6: Final answer
    x = 59,136.27

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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.