Home / 85,528.89-118,033.99-47,287.73

Finding the Fourth Proportional to 85,528.89, 118,033.99 and 47,287.73

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Solution

The fourth proportional to 85,528.89, 118,033.99 and 47,287.73 is: 65,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,528.89 : 118,033.99 = 47,287.73 : x
  2. Step 2: Convert to fraction form
    85,528.89/118,033.99 = 47,287.73/x
  3. Step 3: Cross multiply
    85,528.89x = 118,033.99 × 47,287.73
  4. Step 4: Simplify right side
    85,528.89x = 5,581,559,626.81
  5. Step 5: Solve for x
    x = 5,581,559,626.81/85,528.89
  6. Step 6: Final answer
    x = 65,259.35

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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.