Home / 55,066.96-82,017.60-54,798.46

Finding the Fourth Proportional to 55,066.96, 82,017.60 and 54,798.46

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Solution

The fourth proportional to 55,066.96, 82,017.60 and 54,798.46 is: 81,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,066.96 : 82,017.60 = 54,798.46 : x
  2. Step 2: Convert to fraction form
    55,066.96/82,017.60 = 54,798.46/x
  3. Step 3: Cross multiply
    55,066.96x = 82,017.60 × 54,798.46
  4. Step 4: Simplify right side
    55,066.96x = 4,494,438,172.90
  5. Step 5: Solve for x
    x = 4,494,438,172.90/55,066.96
  6. Step 6: Final answer
    x = 81,617.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.