Home / 85,772.22-118,357.11-48,045.66

Finding the Fourth Proportional to 85,772.22, 118,357.11 and 48,045.66

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Solution

The fourth proportional to 85,772.22, 118,357.11 and 48,045.66 is: 66,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,772.22 : 118,357.11 = 48,045.66 : x
  2. Step 2: Convert to fraction form
    85,772.22/118,357.11 = 48,045.66/x
  3. Step 3: Cross multiply
    85,772.22x = 118,357.11 × 48,045.66
  4. Step 4: Simplify right side
    85,772.22x = 5,686,545,465.64
  5. Step 5: Solve for x
    x = 5,686,545,465.64/85,772.22
  6. Step 6: Final answer
    x = 66,298.22

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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.