Home / 93,456.15-128,964.98-53,166.12

Finding the Fourth Proportional to 93,456.15, 128,964.98 and 53,166.12

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Solution

The fourth proportional to 93,456.15, 128,964.98 and 53,166.12 is: 73,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,456.15 : 128,964.98 = 53,166.12 : x
  2. Step 2: Convert to fraction form
    93,456.15/128,964.98 = 53,166.12/x
  3. Step 3: Cross multiply
    93,456.15x = 128,964.98 × 53,166.12
  4. Step 4: Simplify right side
    93,456.15x = 6,856,567,602.48
  5. Step 5: Solve for x
    x = 6,856,567,602.48/93,456.15
  6. Step 6: Final answer
    x = 73,366.68

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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.