Home / 65,065.16-89,788.74-36,770.24

Finding the Fourth Proportional to 65,065.16, 89,788.74 and 36,770.24

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Solution

The fourth proportional to 65,065.16, 89,788.74 and 36,770.24 is: 50,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,065.16 : 89,788.74 = 36,770.24 : x
  2. Step 2: Convert to fraction form
    65,065.16/89,788.74 = 36,770.24/x
  3. Step 3: Cross multiply
    65,065.16x = 89,788.74 × 36,770.24
  4. Step 4: Simplify right side
    65,065.16x = 3,301,553,070.15
  5. Step 5: Solve for x
    x = 3,301,553,070.15/65,065.16
  6. Step 6: Final answer
    x = 50,742.26

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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.