Home / 52,305.80-72,176.60-31,080.96

Finding the Fourth Proportional to 52,305.80, 72,176.60 and 31,080.96

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Solution

The fourth proportional to 52,305.80, 72,176.60 and 31,080.96 is: 42,888.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.80 : 72,176.60 = 31,080.96 : x
  2. Step 2: Convert to fraction form
    52,305.80/72,176.60 = 31,080.96/x
  3. Step 3: Cross multiply
    52,305.80x = 72,176.60 × 31,080.96
  4. Step 4: Simplify right side
    52,305.80x = 2,243,318,095.24
  5. Step 5: Solve for x
    x = 2,243,318,095.24/52,305.80
  6. Step 6: Final answer
    x = 42,888.52

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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.