Home / 69,703.35-96,187.48-39,488.05

Finding the Fourth Proportional to 69,703.35, 96,187.48 and 39,488.05

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Solution

The fourth proportional to 69,703.35, 96,187.48 and 39,488.05 is: 54,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,703.35 : 96,187.48 = 39,488.05 : x
  2. Step 2: Convert to fraction form
    69,703.35/96,187.48 = 39,488.05/x
  3. Step 3: Cross multiply
    69,703.35x = 96,187.48 × 39,488.05
  4. Step 4: Simplify right side
    69,703.35x = 3,798,256,041.13
  5. Step 5: Solve for x
    x = 3,798,256,041.13/69,703.35
  6. Step 6: Final answer
    x = 54,491.73

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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.