Home / 91,246.40-136,858.82-28,066.40

Finding the Fourth Proportional to 91,246.40, 136,858.82 and 28,066.40

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Solution

The fourth proportional to 91,246.40, 136,858.82 and 28,066.40 is: 42,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,246.40 : 136,858.82 = 28,066.40 : x
  2. Step 2: Convert to fraction form
    91,246.40/136,858.82 = 28,066.40/x
  3. Step 3: Cross multiply
    91,246.40x = 136,858.82 × 28,066.40
  4. Step 4: Simplify right side
    91,246.40x = 3,841,134,074.24
  5. Step 5: Solve for x
    x = 3,841,134,074.24/91,246.40
  6. Step 6: Final answer
    x = 42,096.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.