Home / 55,595.56-76,722.06-30,445.06

Finding the Fourth Proportional to 55,595.56, 76,722.06 and 30,445.06

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Solution

The fourth proportional to 55,595.56, 76,722.06 and 30,445.06 is: 42,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,595.56 : 76,722.06 = 30,445.06 : x
  2. Step 2: Convert to fraction form
    55,595.56/76,722.06 = 30,445.06/x
  3. Step 3: Cross multiply
    55,595.56x = 76,722.06 × 30,445.06
  4. Step 4: Simplify right side
    55,595.56x = 2,335,807,720.02
  5. Step 5: Solve for x
    x = 2,335,807,720.02/55,595.56
  6. Step 6: Final answer
    x = 42,014.29

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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.