Home / 52,210.89-72,051.09-28,337.58

Finding the Fourth Proportional to 52,210.89, 72,051.09 and 28,337.58

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Solution

The fourth proportional to 52,210.89, 72,051.09 and 28,337.58 is: 39,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,210.89 : 72,051.09 = 28,337.58 : x
  2. Step 2: Convert to fraction form
    52,210.89/72,051.09 = 28,337.58/x
  3. Step 3: Cross multiply
    52,210.89x = 72,051.09 × 28,337.58
  4. Step 4: Simplify right side
    52,210.89x = 2,041,753,420.70
  5. Step 5: Solve for x
    x = 2,041,753,420.70/52,210.89
  6. Step 6: Final answer
    x = 39,105.89

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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.