Home / 85,627.40-118,223.94-53,374.92

Finding the Fourth Proportional to 85,627.40, 118,223.94 and 53,374.92

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Solution

The fourth proportional to 85,627.40, 118,223.94 and 53,374.92 is: 73,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,627.40 : 118,223.94 = 53,374.92 : x
  2. Step 2: Convert to fraction form
    85,627.40/118,223.94 = 53,374.92/x
  3. Step 3: Cross multiply
    85,627.40x = 118,223.94 × 53,374.92
  4. Step 4: Simplify right side
    85,627.40x = 6,310,193,339.58
  5. Step 5: Solve for x
    x = 6,310,193,339.58/85,627.40
  6. Step 6: Final answer
    x = 73,693.63

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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.