Home / 85,528.74-118,027.58-47,287.30

Finding the Fourth Proportional to 85,528.74, 118,027.58 and 47,287.30

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Solution

The fourth proportional to 85,528.74, 118,027.58 and 47,287.30 is: 65,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,528.74 : 118,027.58 = 47,287.30 : x
  2. Step 2: Convert to fraction form
    85,528.74/118,027.58 = 47,287.30/x
  3. Step 3: Cross multiply
    85,528.74x = 118,027.58 × 47,287.30
  4. Step 4: Simplify right side
    85,528.74x = 5,581,205,583.73
  5. Step 5: Solve for x
    x = 5,581,205,583.73/85,528.74
  6. Step 6: Final answer
    x = 65,255.32

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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.