Home / 93,427.24-128,932.44-53,146.84

Finding the Fourth Proportional to 93,427.24, 128,932.44 and 53,146.84

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Solution

The fourth proportional to 93,427.24, 128,932.44 and 53,146.84 is: 73,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,427.24 : 128,932.44 = 53,146.84 : x
  2. Step 2: Convert to fraction form
    93,427.24/128,932.44 = 53,146.84/x
  3. Step 3: Cross multiply
    93,427.24x = 128,932.44 × 53,146.84
  4. Step 4: Simplify right side
    93,427.24x = 6,852,351,759.49
  5. Step 5: Solve for x
    x = 6,852,351,759.49/93,427.24
  6. Step 6: Final answer
    x = 73,344.26

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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.