Home / 55,959.04-77,224.35-30,808.54

Finding the Fourth Proportional to 55,959.04, 77,224.35 and 30,808.54

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Solution

The fourth proportional to 55,959.04, 77,224.35 and 30,808.54 is: 42,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,959.04 : 77,224.35 = 30,808.54 : x
  2. Step 2: Convert to fraction form
    55,959.04/77,224.35 = 30,808.54/x
  3. Step 3: Cross multiply
    55,959.04x = 77,224.35 × 30,808.54
  4. Step 4: Simplify right side
    55,959.04x = 2,379,169,475.95
  5. Step 5: Solve for x
    x = 2,379,169,475.95/55,959.04
  6. Step 6: Final answer
    x = 42,516.27

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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.