Home / 85,597.44-118,156.23-64,438.08

Finding the Fourth Proportional to 85,597.44, 118,156.23 and 64,438.08

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Solution

The fourth proportional to 85,597.44, 118,156.23 and 64,438.08 is: 88,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,597.44 : 118,156.23 = 64,438.08 : x
  2. Step 2: Convert to fraction form
    85,597.44/118,156.23 = 64,438.08/x
  3. Step 3: Cross multiply
    85,597.44x = 118,156.23 × 64,438.08
  4. Step 4: Simplify right side
    85,597.44x = 7,613,760,601.24
  5. Step 5: Solve for x
    x = 7,613,760,601.24/85,597.44
  6. Step 6: Final answer
    x = 88,948.46

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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.