Home / 93,789.48-129,429.78-51,350.76

Finding the Fourth Proportional to 93,789.48, 129,429.78 and 51,350.76

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Solution

The fourth proportional to 93,789.48, 129,429.78 and 51,350.76 is: 70,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,789.48 : 129,429.78 = 51,350.76 : x
  2. Step 2: Convert to fraction form
    93,789.48/129,429.78 = 51,350.76/x
  3. Step 3: Cross multiply
    93,789.48x = 129,429.78 × 51,350.76
  4. Step 4: Simplify right side
    93,789.48x = 6,646,317,569.63
  5. Step 5: Solve for x
    x = 6,646,317,569.63/93,789.48
  6. Step 6: Final answer
    x = 70,864.21

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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.