Home / 55,980.72-77,247.28-33,316.56

Finding the Fourth Proportional to 55,980.72, 77,247.28 and 33,316.56

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Solution

The fourth proportional to 55,980.72, 77,247.28 and 33,316.56 is: 45,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,980.72 : 77,247.28 = 33,316.56 : x
  2. Step 2: Convert to fraction form
    55,980.72/77,247.28 = 33,316.56/x
  3. Step 3: Cross multiply
    55,980.72x = 77,247.28 × 33,316.56
  4. Step 4: Simplify right side
    55,980.72x = 2,573,613,638.96
  5. Step 5: Solve for x
    x = 2,573,613,638.96/55,980.72
  6. Step 6: Final answer
    x = 45,973.21

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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.