Home / 54,854.08-75,669.36-36,918.40

Finding the Fourth Proportional to 54,854.08, 75,669.36 and 36,918.40

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Solution

The fourth proportional to 54,854.08, 75,669.36 and 36,918.40 is: 50,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,854.08 : 75,669.36 = 36,918.40 : x
  2. Step 2: Convert to fraction form
    54,854.08/75,669.36 = 36,918.40/x
  3. Step 3: Cross multiply
    54,854.08x = 75,669.36 × 36,918.40
  4. Step 4: Simplify right side
    54,854.08x = 2,793,591,700.22
  5. Step 5: Solve for x
    x = 2,793,591,700.22/54,854.08
  6. Step 6: Final answer
    x = 50,927.69

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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.