Home / 85,827.16-118,441.46-47,586.59

Finding the Fourth Proportional to 85,827.16, 118,441.46 and 47,586.59

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Solution

The fourth proportional to 85,827.16, 118,441.46 and 47,586.59 is: 65,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,827.16 : 118,441.46 = 47,586.59 : x
  2. Step 2: Convert to fraction form
    85,827.16/118,441.46 = 47,586.59/x
  3. Step 3: Cross multiply
    85,827.16x = 118,441.46 × 47,586.59
  4. Step 4: Simplify right side
    85,827.16x = 5,636,224,365.88
  5. Step 5: Solve for x
    x = 5,636,224,365.88/85,827.16
  6. Step 6: Final answer
    x = 65,669.48

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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.