Home / 52,555.20-78,832.80-48,254.40

Finding the Fourth Proportional to 52,555.20, 78,832.80 and 48,254.40

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Solution

The fourth proportional to 52,555.20, 78,832.80 and 48,254.40 is: 72,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.20 : 78,832.80 = 48,254.40 : x
  2. Step 2: Convert to fraction form
    52,555.20/78,832.80 = 48,254.40/x
  3. Step 3: Cross multiply
    52,555.20x = 78,832.80 × 48,254.40
  4. Step 4: Simplify right side
    52,555.20x = 3,804,029,464.32
  5. Step 5: Solve for x
    x = 3,804,029,464.32/52,555.20
  6. Step 6: Final answer
    x = 72,381.60

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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.