Home / 52,079.51-71,869.70-28,206.19

Finding the Fourth Proportional to 52,079.51, 71,869.70 and 28,206.19

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Solution

The fourth proportional to 52,079.51, 71,869.70 and 28,206.19 is: 38,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.51 : 71,869.70 = 28,206.19 : x
  2. Step 2: Convert to fraction form
    52,079.51/71,869.70 = 28,206.19/x
  3. Step 3: Cross multiply
    52,079.51x = 71,869.70 × 28,206.19
  4. Step 4: Simplify right side
    52,079.51x = 2,027,170,054.09
  5. Step 5: Solve for x
    x = 2,027,170,054.09/52,079.51
  6. Step 6: Final answer
    x = 38,924.52

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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.