Home / 93,399.30-128,891.25-53,112.06

Finding the Fourth Proportional to 93,399.30, 128,891.25 and 53,112.06

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Solution

The fourth proportional to 93,399.30, 128,891.25 and 53,112.06 is: 73,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,399.30 : 128,891.25 = 53,112.06 : x
  2. Step 2: Convert to fraction form
    93,399.30/128,891.25 = 53,112.06/x
  3. Step 3: Cross multiply
    93,399.30x = 128,891.25 × 53,112.06
  4. Step 4: Simplify right side
    93,399.30x = 6,845,679,803.48
  5. Step 5: Solve for x
    x = 6,845,679,803.48/93,399.30
  6. Step 6: Final answer
    x = 73,294.77

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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.