Home / 85,837.47-118,455.96-47,599.71

Finding the Fourth Proportional to 85,837.47, 118,455.96 and 47,599.71

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Solution

The fourth proportional to 85,837.47, 118,455.96 and 47,599.71 is: 65,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,837.47 : 118,455.96 = 47,599.71 : x
  2. Step 2: Convert to fraction form
    85,837.47/118,455.96 = 47,599.71/x
  3. Step 3: Cross multiply
    85,837.47x = 118,455.96 × 47,599.71
  4. Step 4: Simplify right side
    85,837.47x = 5,638,469,343.77
  5. Step 5: Solve for x
    x = 5,638,469,343.77/85,837.47
  6. Step 6: Final answer
    x = 65,687.74

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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.