Home / 93,213.27-128,643.26-57,424.23

Finding the Fourth Proportional to 93,213.27, 128,643.26 and 57,424.23

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Solution

The fourth proportional to 93,213.27, 128,643.26 and 57,424.23 is: 79,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.27 : 128,643.26 = 57,424.23 : x
  2. Step 2: Convert to fraction form
    93,213.27/128,643.26 = 57,424.23/x
  3. Step 3: Cross multiply
    93,213.27x = 128,643.26 × 57,424.23
  4. Step 4: Simplify right side
    93,213.27x = 7,387,239,863.07
  5. Step 5: Solve for x
    x = 7,387,239,863.07/93,213.27
  6. Step 6: Final answer
    x = 79,250.95

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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.