Home / 83,338.08-115,009.30-45,612.32

Finding the Fourth Proportional to 83,338.08, 115,009.30 and 45,612.32

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Solution

The fourth proportional to 83,338.08, 115,009.30 and 45,612.32 is: 62,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,338.08 : 115,009.30 = 45,612.32 : x
  2. Step 2: Convert to fraction form
    83,338.08/115,009.30 = 45,612.32/x
  3. Step 3: Cross multiply
    83,338.08x = 115,009.30 × 45,612.32
  4. Step 4: Simplify right side
    83,338.08x = 5,245,840,994.58
  5. Step 5: Solve for x
    x = 5,245,840,994.58/83,338.08
  6. Step 6: Final answer
    x = 62,946.51

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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.