Home / 52,294.01-72,166.19-28,420.68

Finding the Fourth Proportional to 52,294.01, 72,166.19 and 28,420.68

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Solution

The fourth proportional to 52,294.01, 72,166.19 and 28,420.68 is: 39,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.01 : 72,166.19 = 28,420.68 : x
  2. Step 2: Convert to fraction form
    52,294.01/72,166.19 = 28,420.68/x
  3. Step 3: Cross multiply
    52,294.01x = 72,166.19 × 28,420.68
  4. Step 4: Simplify right side
    52,294.01x = 2,051,012,192.81
  5. Step 5: Solve for x
    x = 2,051,012,192.81/52,294.01
  6. Step 6: Final answer
    x = 39,220.79

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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.