Home / 85,803.18-118,338.18-60,393.66

Finding the Fourth Proportional to 85,803.18, 118,338.18 and 60,393.66

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Solution

The fourth proportional to 85,803.18, 118,338.18 and 60,393.66 is: 83,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,803.18 : 118,338.18 = 60,393.66 : x
  2. Step 2: Convert to fraction form
    85,803.18/118,338.18 = 60,393.66/x
  3. Step 3: Cross multiply
    85,803.18x = 118,338.18 × 60,393.66
  4. Step 4: Simplify right side
    85,803.18x = 7,146,875,137.69
  5. Step 5: Solve for x
    x = 7,146,875,137.69/85,803.18
  6. Step 6: Final answer
    x = 83,293.83

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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.