Home / 65,180.40-89,948.32-36,886.08

Finding the Fourth Proportional to 65,180.40, 89,948.32 and 36,886.08

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Solution

The fourth proportional to 65,180.40, 89,948.32 and 36,886.08 is: 50,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180.40 : 89,948.32 = 36,886.08 : x
  2. Step 2: Convert to fraction form
    65,180.40/89,948.32 = 36,886.08/x
  3. Step 3: Cross multiply
    65,180.40x = 89,948.32 × 36,886.08
  4. Step 4: Simplify right side
    65,180.40x = 3,317,840,927.39
  5. Step 5: Solve for x
    x = 3,317,840,927.39/65,180.40
  6. Step 6: Final answer
    x = 50,902.43

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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.