Home / 52,218.60-72,061.41-28,345.08

Finding the Fourth Proportional to 52,218.60, 72,061.41 and 28,345.08

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Solution

The fourth proportional to 52,218.60, 72,061.41 and 28,345.08 is: 39,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.60 : 72,061.41 = 28,345.08 : x
  2. Step 2: Convert to fraction form
    52,218.60/72,061.41 = 28,345.08/x
  3. Step 3: Cross multiply
    52,218.60x = 72,061.41 × 28,345.08
  4. Step 4: Simplify right side
    52,218.60x = 2,042,586,431.36
  5. Step 5: Solve for x
    x = 2,042,586,431.36/52,218.60
  6. Step 6: Final answer
    x = 39,116.07

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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.