Home / 55,280.04-82,517.84-48,281.64

Finding the Fourth Proportional to 55,280.04, 82,517.84 and 48,281.64

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Solution

The fourth proportional to 55,280.04, 82,517.84 and 48,281.64 is: 72,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.04 : 82,517.84 = 48,281.64 : x
  2. Step 2: Convert to fraction form
    55,280.04/82,517.84 = 48,281.64/x
  3. Step 3: Cross multiply
    55,280.04x = 82,517.84 × 48,281.64
  4. Step 4: Simplify right side
    55,280.04x = 3,984,096,644.46
  5. Step 5: Solve for x
    x = 3,984,096,644.46/55,280.04
  6. Step 6: Final answer
    x = 72,071.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.