Home / 90,349.84-135,412.30-58,244.25

Finding the Fourth Proportional to 90,349.84, 135,412.30 and 58,244.25

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Solution

The fourth proportional to 90,349.84, 135,412.30 and 58,244.25 is: 87,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,349.84 : 135,412.30 = 58,244.25 : x
  2. Step 2: Convert to fraction form
    90,349.84/135,412.30 = 58,244.25/x
  3. Step 3: Cross multiply
    90,349.84x = 135,412.30 × 58,244.25
  4. Step 4: Simplify right side
    90,349.84x = 7,886,987,031.60
  5. Step 5: Solve for x
    x = 7,886,987,031.60/90,349.84
  6. Step 6: Final answer
    x = 87,293.87

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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.