Home / 85,839.61-118,458.93-47,601.85

Finding the Fourth Proportional to 85,839.61, 118,458.93 and 47,601.85

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Solution

The fourth proportional to 85,839.61, 118,458.93 and 47,601.85 is: 65,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,839.61 : 118,458.93 = 47,601.85 : x
  2. Step 2: Convert to fraction form
    85,839.61/118,458.93 = 47,601.85/x
  3. Step 3: Cross multiply
    85,839.61x = 118,458.93 × 47,601.85
  4. Step 4: Simplify right side
    85,839.61x = 5,638,863,979.01
  5. Step 5: Solve for x
    x = 5,638,863,979.01/85,839.61
  6. Step 6: Final answer
    x = 65,690.70

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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.