Home / 85,549.97-118,055.57-47,307.03

Finding the Fourth Proportional to 85,549.97, 118,055.57 and 47,307.03

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Solution

The fourth proportional to 85,549.97, 118,055.57 and 47,307.03 is: 65,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,549.97 : 118,055.57 = 47,307.03 : x
  2. Step 2: Convert to fraction form
    85,549.97/118,055.57 = 47,307.03/x
  3. Step 3: Cross multiply
    85,549.97x = 118,055.57 × 47,307.03
  4. Step 4: Simplify right side
    85,549.97x = 5,584,858,155.12
  5. Step 5: Solve for x
    x = 5,584,858,155.12/85,549.97
  6. Step 6: Final answer
    x = 65,281.83

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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.