Home / 93,018.74-128,383.67-52,732.65

Finding the Fourth Proportional to 93,018.74, 128,383.67 and 52,732.65

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Solution

The fourth proportional to 93,018.74, 128,383.67 and 52,732.65 is: 72,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,018.74 : 128,383.67 = 52,732.65 : x
  2. Step 2: Convert to fraction form
    93,018.74/128,383.67 = 52,732.65/x
  3. Step 3: Cross multiply
    93,018.74x = 128,383.67 × 52,732.65
  4. Step 4: Simplify right side
    93,018.74x = 6,770,011,749.10
  5. Step 5: Solve for x
    x = 6,770,011,749.10/93,018.74
  6. Step 6: Final answer
    x = 72,781.16

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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.