Home / 93,125.42-128,513.05-50,684.25

Finding the Fourth Proportional to 93,125.42, 128,513.05 and 50,684.25

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Solution

The fourth proportional to 93,125.42, 128,513.05 and 50,684.25 is: 69,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,125.42 : 128,513.05 = 50,684.25 : x
  2. Step 2: Convert to fraction form
    93,125.42/128,513.05 = 50,684.25/x
  3. Step 3: Cross multiply
    93,125.42x = 128,513.05 × 50,684.25
  4. Step 4: Simplify right side
    93,125.42x = 6,513,587,554.46
  5. Step 5: Solve for x
    x = 6,513,587,554.46/93,125.42
  6. Step 6: Final answer
    x = 69,944.25

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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.