Home / 65,183.12-89,957.16-36,888.80

Finding the Fourth Proportional to 65,183.12, 89,957.16 and 36,888.80

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Solution

The fourth proportional to 65,183.12, 89,957.16 and 36,888.80 is: 50,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183.12 : 89,957.16 = 36,888.80 : x
  2. Step 2: Convert to fraction form
    65,183.12/89,957.16 = 36,888.80/x
  3. Step 3: Cross multiply
    65,183.12x = 89,957.16 × 36,888.80
  4. Step 4: Simplify right side
    65,183.12x = 3,318,411,683.81
  5. Step 5: Solve for x
    x = 3,318,411,683.81/65,183.12
  6. Step 6: Final answer
    x = 50,909.06

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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.