Home / 93,438.81-128,949.78-52,616.97

Finding the Fourth Proportional to 93,438.81, 128,949.78 and 52,616.97

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Solution

The fourth proportional to 93,438.81, 128,949.78 and 52,616.97 is: 72,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438.81 : 128,949.78 = 52,616.97 : x
  2. Step 2: Convert to fraction form
    93,438.81/128,949.78 = 52,616.97/x
  3. Step 3: Cross multiply
    93,438.81x = 128,949.78 × 52,616.97
  4. Step 4: Simplify right side
    93,438.81x = 6,784,946,705.77
  5. Step 5: Solve for x
    x = 6,784,946,705.77/93,438.81
  6. Step 6: Final answer
    x = 72,613.80

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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.