Home / 52,260.96-72,121.69-28,389.25

Finding the Fourth Proportional to 52,260.96, 72,121.69 and 28,389.25

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Solution

The fourth proportional to 52,260.96, 72,121.69 and 28,389.25 is: 39,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.96 : 72,121.69 = 28,389.25 : x
  2. Step 2: Convert to fraction form
    52,260.96/72,121.69 = 28,389.25/x
  3. Step 3: Cross multiply
    52,260.96x = 72,121.69 × 28,389.25
  4. Step 4: Simplify right side
    52,260.96x = 2,047,480,813.47
  5. Step 5: Solve for x
    x = 2,047,480,813.47/52,260.96
  6. Step 6: Final answer
    x = 39,178.01

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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.