Home / 74,552.96-111,681.84-48,276.20

Finding the Fourth Proportional to 74,552.96, 111,681.84 and 48,276.20

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Solution

The fourth proportional to 74,552.96, 111,681.84 and 48,276.20 is: 72,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,552.96 : 111,681.84 = 48,276.20 : x
  2. Step 2: Convert to fraction form
    74,552.96/111,681.84 = 48,276.20/x
  3. Step 3: Cross multiply
    74,552.96x = 111,681.84 × 48,276.20
  4. Step 4: Simplify right side
    74,552.96x = 5,391,574,844.21
  5. Step 5: Solve for x
    x = 5,391,574,844.21/74,552.96
  6. Step 6: Final answer
    x = 72,318.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.