Home / 93,124.18-128,514.09-50,685.46

Finding the Fourth Proportional to 93,124.18, 128,514.09 and 50,685.46

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Solution

The fourth proportional to 93,124.18, 128,514.09 and 50,685.46 is: 69,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,124.18 : 128,514.09 = 50,685.46 : x
  2. Step 2: Convert to fraction form
    93,124.18/128,514.09 = 50,685.46/x
  3. Step 3: Cross multiply
    93,124.18x = 128,514.09 × 50,685.46
  4. Step 4: Simplify right side
    93,124.18x = 6,513,795,768.13
  5. Step 5: Solve for x
    x = 6,513,795,768.13/93,124.18
  6. Step 6: Final answer
    x = 69,947.42

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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.