Home / 93,743.93-129,393.78-53,479.64

Finding the Fourth Proportional to 93,743.93, 129,393.78 and 53,479.64

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Solution

The fourth proportional to 93,743.93, 129,393.78 and 53,479.64 is: 73,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,743.93 : 129,393.78 = 53,479.64 : x
  2. Step 2: Convert to fraction form
    93,743.93/129,393.78 = 53,479.64/x
  3. Step 3: Cross multiply
    93,743.93x = 129,393.78 × 53,479.64
  4. Step 4: Simplify right side
    93,743.93x = 6,919,932,772.64
  5. Step 5: Solve for x
    x = 6,919,932,772.64/93,743.93
  6. Step 6: Final answer
    x = 73,817.40

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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.