Home / 93,798.69-129,442.16-51,357.20

Finding the Fourth Proportional to 93,798.69, 129,442.16 and 51,357.20

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Solution

The fourth proportional to 93,798.69, 129,442.16 and 51,357.20 is: 70,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,798.69 : 129,442.16 = 51,357.20 : x
  2. Step 2: Convert to fraction form
    93,798.69/129,442.16 = 51,357.20/x
  3. Step 3: Cross multiply
    93,798.69x = 129,442.16 × 51,357.20
  4. Step 4: Simplify right side
    93,798.69x = 6,647,785,995.56
  5. Step 5: Solve for x
    x = 6,647,785,995.56/93,798.69
  6. Step 6: Final answer
    x = 70,872.91

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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.