Home / 90,887.45-125,392.21-52,626.11

Finding the Fourth Proportional to 90,887.45, 125,392.21 and 52,626.11

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Solution

The fourth proportional to 90,887.45, 125,392.21 and 52,626.11 is: 72,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,887.45 : 125,392.21 = 52,626.11 : x
  2. Step 2: Convert to fraction form
    90,887.45/125,392.21 = 52,626.11/x
  3. Step 3: Cross multiply
    90,887.45x = 125,392.21 × 52,626.11
  4. Step 4: Simplify right side
    90,887.45x = 6,598,903,346.51
  5. Step 5: Solve for x
    x = 6,598,903,346.51/90,887.45
  6. Step 6: Final answer
    x = 72,605.22

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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.