Home / 84,972.51-127,458.75-40,464.32

Finding the Fourth Proportional to 84,972.51, 127,458.75 and 40,464.32

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Solution

The fourth proportional to 84,972.51, 127,458.75 and 40,464.32 is: 60,696.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,972.51 : 127,458.75 = 40,464.32 : x
  2. Step 2: Convert to fraction form
    84,972.51/127,458.75 = 40,464.32/x
  3. Step 3: Cross multiply
    84,972.51x = 127,458.75 × 40,464.32
  4. Step 4: Simplify right side
    84,972.51x = 5,157,531,646.80
  5. Step 5: Solve for x
    x = 5,157,531,646.80/84,972.51
  6. Step 6: Final answer
    x = 60,696.47

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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.