Home / 81,278.54-112,172.81-46,824.45

Finding the Fourth Proportional to 81,278.54, 112,172.81 and 46,824.45

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Solution

The fourth proportional to 81,278.54, 112,172.81 and 46,824.45 is: 64,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,278.54 : 112,172.81 = 46,824.45 : x
  2. Step 2: Convert to fraction form
    81,278.54/112,172.81 = 46,824.45/x
  3. Step 3: Cross multiply
    81,278.54x = 112,172.81 × 46,824.45
  4. Step 4: Simplify right side
    81,278.54x = 5,252,429,899.08
  5. Step 5: Solve for x
    x = 5,252,429,899.08/81,278.54
  6. Step 6: Final answer
    x = 64,622.60

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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.