Home / 70,981.09-106,518.97-36,818.35

Finding the Fourth Proportional to 70,981.09, 106,518.97 and 36,818.35

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Solution

The fourth proportional to 70,981.09, 106,518.97 and 36,818.35 is: 55,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,981.09 : 106,518.97 = 36,818.35 : x
  2. Step 2: Convert to fraction form
    70,981.09/106,518.97 = 36,818.35/x
  3. Step 3: Cross multiply
    70,981.09x = 106,518.97 × 36,818.35
  4. Step 4: Simplify right side
    70,981.09x = 3,921,852,278.55
  5. Step 5: Solve for x
    x = 3,921,852,278.55/70,981.09
  6. Step 6: Final answer
    x = 55,252.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.