Home / 93,119.59-128,505.50-50,678.13

Finding the Fourth Proportional to 93,119.59, 128,505.50 and 50,678.13

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Solution

The fourth proportional to 93,119.59, 128,505.50 and 50,678.13 is: 69,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,119.59 : 128,505.50 = 50,678.13 : x
  2. Step 2: Convert to fraction form
    93,119.59/128,505.50 = 50,678.13/x
  3. Step 3: Cross multiply
    93,119.59x = 128,505.50 × 50,678.13
  4. Step 4: Simplify right side
    93,119.59x = 6,512,418,434.72
  5. Step 5: Solve for x
    x = 6,512,418,434.72/93,119.59
  6. Step 6: Final answer
    x = 69,936.07

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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.