Home / 85,790.72-118,392.36-48,064.16

Finding the Fourth Proportional to 85,790.72, 118,392.36 and 48,064.16

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Solution

The fourth proportional to 85,790.72, 118,392.36 and 48,064.16 is: 66,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,790.72 : 118,392.36 = 48,064.16 : x
  2. Step 2: Convert to fraction form
    85,790.72/118,392.36 = 48,064.16/x
  3. Step 3: Cross multiply
    85,790.72x = 118,392.36 × 48,064.16
  4. Step 4: Simplify right side
    85,790.72x = 5,690,429,333.82
  5. Step 5: Solve for x
    x = 5,690,429,333.82/85,790.72
  6. Step 6: Final answer
    x = 66,329.19

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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.