Home / 72,924.40-100,632-41,095.18

Finding the Fourth Proportional to 72,924.40, 100,632 and 41,095.18

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Solution

The fourth proportional to 72,924.40, 100,632 and 41,095.18 is: 56,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,924.40 : 100,632 = 41,095.18 : x
  2. Step 2: Convert to fraction form
    72,924.40/100,632 = 41,095.18/x
  3. Step 3: Cross multiply
    72,924.40x = 100,632 × 41,095.18
  4. Step 4: Simplify right side
    72,924.40x = 4,135,490,153.76
  5. Step 5: Solve for x
    x = 4,135,490,153.76/72,924.40
  6. Step 6: Final answer
    x = 56,709.28

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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.