Home / 85,582.10-118,106.52-47,856.26

Finding the Fourth Proportional to 85,582.10, 118,106.52 and 47,856.26

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Solution

The fourth proportional to 85,582.10, 118,106.52 and 47,856.26 is: 66,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,582.10 : 118,106.52 = 47,856.26 : x
  2. Step 2: Convert to fraction form
    85,582.10/118,106.52 = 47,856.26/x
  3. Step 3: Cross multiply
    85,582.10x = 118,106.52 × 47,856.26
  4. Step 4: Simplify right side
    85,582.10x = 5,652,136,328.82
  5. Step 5: Solve for x
    x = 5,652,136,328.82/85,582.10
  6. Step 6: Final answer
    x = 66,043.44

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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.