Home / 54,312.24-81,235.08-48,350.64

Finding the Fourth Proportional to 54,312.24, 81,235.08 and 48,350.64

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Solution

The fourth proportional to 54,312.24, 81,235.08 and 48,350.64 is: 72,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.24 : 81,235.08 = 48,350.64 : x
  2. Step 2: Convert to fraction form
    54,312.24/81,235.08 = 48,350.64/x
  3. Step 3: Cross multiply
    54,312.24x = 81,235.08 × 48,350.64
  4. Step 4: Simplify right side
    54,312.24x = 3,927,768,108.45
  5. Step 5: Solve for x
    x = 3,927,768,108.45/54,312.24
  6. Step 6: Final answer
    x = 72,318.29

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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.