Home / 52,190.04-72,022.26-28,316.72

Finding the Fourth Proportional to 52,190.04, 72,022.26 and 28,316.72

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Solution

The fourth proportional to 52,190.04, 72,022.26 and 28,316.72 is: 39,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.04 : 72,022.26 = 28,316.72 : x
  2. Step 2: Convert to fraction form
    52,190.04/72,022.26 = 28,316.72/x
  3. Step 3: Cross multiply
    52,190.04x = 72,022.26 × 28,316.72
  4. Step 4: Simplify right side
    52,190.04x = 2,039,433,810.08
  5. Step 5: Solve for x
    x = 2,039,433,810.08/52,190.04
  6. Step 6: Final answer
    x = 39,077.07

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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.