Home / 72,981.36-100,711.22-41,153.22

Finding the Fourth Proportional to 72,981.36, 100,711.22 and 41,153.22

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Solution

The fourth proportional to 72,981.36, 100,711.22 and 41,153.22 is: 56,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,981.36 : 100,711.22 = 41,153.22 : x
  2. Step 2: Convert to fraction form
    72,981.36/100,711.22 = 41,153.22/x
  3. Step 3: Cross multiply
    72,981.36x = 100,711.22 × 41,153.22
  4. Step 4: Simplify right side
    72,981.36x = 4,144,590,787.36
  5. Step 5: Solve for x
    x = 4,144,590,787.36/72,981.36
  6. Step 6: Final answer
    x = 56,789.72

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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.