Home / 85,256.96-117,799.04-61,336.32

Finding the Fourth Proportional to 85,256.96, 117,799.04 and 61,336.32

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Solution

The fourth proportional to 85,256.96, 117,799.04 and 61,336.32 is: 84,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,256.96 : 117,799.04 = 61,336.32 : x
  2. Step 2: Convert to fraction form
    85,256.96/117,799.04 = 61,336.32/x
  3. Step 3: Cross multiply
    85,256.96x = 117,799.04 × 61,336.32
  4. Step 4: Simplify right side
    85,256.96x = 7,225,359,613.13
  5. Step 5: Solve for x
    x = 7,225,359,613.13/85,256.96
  6. Step 6: Final answer
    x = 84,748.03

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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.