Home / 85,727.28-118,299.53-47,484.25

Finding the Fourth Proportional to 85,727.28, 118,299.53 and 47,484.25

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Solution

The fourth proportional to 85,727.28, 118,299.53 and 47,484.25 is: 65,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.28 : 118,299.53 = 47,484.25 : x
  2. Step 2: Convert to fraction form
    85,727.28/118,299.53 = 47,484.25/x
  3. Step 3: Cross multiply
    85,727.28x = 118,299.53 × 47,484.25
  4. Step 4: Simplify right side
    85,727.28x = 5,617,363,984.62
  5. Step 5: Solve for x
    x = 5,617,363,984.62/85,727.28
  6. Step 6: Final answer
    x = 65,525.98

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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.