Home / 85,632.31-118,170.70-46,869.94

Finding the Fourth Proportional to 85,632.31, 118,170.70 and 46,869.94

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Solution

The fourth proportional to 85,632.31, 118,170.70 and 46,869.94 is: 64,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,632.31 : 118,170.70 = 46,869.94 : x
  2. Step 2: Convert to fraction form
    85,632.31/118,170.70 = 46,869.94/x
  3. Step 3: Cross multiply
    85,632.31x = 118,170.70 × 46,869.94
  4. Step 4: Simplify right side
    85,632.31x = 5,538,653,618.76
  5. Step 5: Solve for x
    x = 5,538,653,618.76/85,632.31
  6. Step 6: Final answer
    x = 64,679.48

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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.