Home / 90,933.12-125,488.08-53,200.08

Finding the Fourth Proportional to 90,933.12, 125,488.08 and 53,200.08

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Solution

The fourth proportional to 90,933.12, 125,488.08 and 53,200.08 is: 73,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933.12 : 125,488.08 = 53,200.08 : x
  2. Step 2: Convert to fraction form
    90,933.12/125,488.08 = 53,200.08/x
  3. Step 3: Cross multiply
    90,933.12x = 125,488.08 × 53,200.08
  4. Step 4: Simplify right side
    90,933.12x = 6,675,975,895.05
  5. Step 5: Solve for x
    x = 6,675,975,895.05/90,933.12
  6. Step 6: Final answer
    x = 73,416.33

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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.