Home / 83,349.09-124,911.81-53,751.69

Finding the Fourth Proportional to 83,349.09, 124,911.81 and 53,751.69

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Solution

The fourth proportional to 83,349.09, 124,911.81 and 53,751.69 is: 80,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,349.09 : 124,911.81 = 53,751.69 : x
  2. Step 2: Convert to fraction form
    83,349.09/124,911.81 = 53,751.69/x
  3. Step 3: Cross multiply
    83,349.09x = 124,911.81 × 53,751.69
  4. Step 4: Simplify right side
    83,349.09x = 6,714,220,888.46
  5. Step 5: Solve for x
    x = 6,714,220,888.46/83,349.09
  6. Step 6: Final answer
    x = 80,555.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.