Home / 85,835.74-118,452.08-47,595.36

Finding the Fourth Proportional to 85,835.74, 118,452.08 and 47,595.36

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Solution

The fourth proportional to 85,835.74, 118,452.08 and 47,595.36 is: 65,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,835.74 : 118,452.08 = 47,595.36 : x
  2. Step 2: Convert to fraction form
    85,835.74/118,452.08 = 47,595.36/x
  3. Step 3: Cross multiply
    85,835.74x = 118,452.08 × 47,595.36
  4. Step 4: Simplify right side
    85,835.74x = 5,637,769,390.35
  5. Step 5: Solve for x
    x = 5,637,769,390.35/85,835.74
  6. Step 6: Final answer
    x = 65,680.91

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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.