Home / 93,979.36-129,679.57-53,695.73

Finding the Fourth Proportional to 93,979.36, 129,679.57 and 53,695.73

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Solution

The fourth proportional to 93,979.36, 129,679.57 and 53,695.73 is: 74,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,979.36 : 129,679.57 = 53,695.73 : x
  2. Step 2: Convert to fraction form
    93,979.36/129,679.57 = 53,695.73/x
  3. Step 3: Cross multiply
    93,979.36x = 129,679.57 × 53,695.73
  4. Step 4: Simplify right side
    93,979.36x = 6,963,238,908.76
  5. Step 5: Solve for x
    x = 6,963,238,908.76/93,979.36
  6. Step 6: Final answer
    x = 74,093.28

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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.