Home / 71,946.87-99,307.49-41,738.91

Finding the Fourth Proportional to 71,946.87, 99,307.49 and 41,738.91

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Solution

The fourth proportional to 71,946.87, 99,307.49 and 41,738.91 is: 57,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,946.87 : 99,307.49 = 41,738.91 : x
  2. Step 2: Convert to fraction form
    71,946.87/99,307.49 = 41,738.91/x
  3. Step 3: Cross multiply
    71,946.87x = 99,307.49 × 41,738.91
  4. Step 4: Simplify right side
    71,946.87x = 4,144,986,178.74
  5. Step 5: Solve for x
    x = 4,144,986,178.74/71,946.87
  6. Step 6: Final answer
    x = 57,611.77

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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.