Home / 90,281.37-124,586.74-49,994.26

Finding the Fourth Proportional to 90,281.37, 124,586.74 and 49,994.26

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Solution

The fourth proportional to 90,281.37, 124,586.74 and 49,994.26 is: 68,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,281.37 : 124,586.74 = 49,994.26 : x
  2. Step 2: Convert to fraction form
    90,281.37/124,586.74 = 49,994.26/x
  3. Step 3: Cross multiply
    90,281.37x = 124,586.74 × 49,994.26
  4. Step 4: Simplify right side
    90,281.37x = 6,228,621,872.11
  5. Step 5: Solve for x
    x = 6,228,621,872.11/90,281.37
  6. Step 6: Final answer
    x = 68,991.22

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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.