Home / 93,833.16-129,484.94-51,390.78

Finding the Fourth Proportional to 93,833.16, 129,484.94 and 51,390.78

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Solution

The fourth proportional to 93,833.16, 129,484.94 and 51,390.78 is: 70,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,833.16 : 129,484.94 = 51,390.78 : x
  2. Step 2: Convert to fraction form
    93,833.16/129,484.94 = 51,390.78/x
  3. Step 3: Cross multiply
    93,833.16x = 129,484.94 × 51,390.78
  4. Step 4: Simplify right side
    93,833.16x = 6,654,332,064.85
  5. Step 5: Solve for x
    x = 6,654,332,064.85/93,833.16
  6. Step 6: Final answer
    x = 70,916.64

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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.