Home / 85,574.21-118,053.12-55,369.38

Finding the Fourth Proportional to 85,574.21, 118,053.12 and 55,369.38

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Solution

The fourth proportional to 85,574.21, 118,053.12 and 55,369.38 is: 76,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,574.21 : 118,053.12 = 55,369.38 : x
  2. Step 2: Convert to fraction form
    85,574.21/118,053.12 = 55,369.38/x
  3. Step 3: Cross multiply
    85,574.21x = 118,053.12 × 55,369.38
  4. Step 4: Simplify right side
    85,574.21x = 6,536,527,194.35
  5. Step 5: Solve for x
    x = 6,536,527,194.35/85,574.21
  6. Step 6: Final answer
    x = 76,384.31

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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.