Home / 93,587.79-129,150.87-51,146.33

Finding the Fourth Proportional to 93,587.79, 129,150.87 and 51,146.33

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Solution

The fourth proportional to 93,587.79, 129,150.87 and 51,146.33 is: 70,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,587.79 : 129,150.87 = 51,146.33 : x
  2. Step 2: Convert to fraction form
    93,587.79/129,150.87 = 51,146.33/x
  3. Step 3: Cross multiply
    93,587.79x = 129,150.87 × 51,146.33
  4. Step 4: Simplify right side
    93,587.79x = 6,605,592,693.93
  5. Step 5: Solve for x
    x = 6,605,592,693.93/93,587.79
  6. Step 6: Final answer
    x = 70,581.78

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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.