Home / 92,165.16-127,185.96-56,355.60

Finding the Fourth Proportional to 92,165.16, 127,185.96 and 56,355.60

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Solution

The fourth proportional to 92,165.16, 127,185.96 and 56,355.60 is: 77,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,165.16 : 127,185.96 = 56,355.60 : x
  2. Step 2: Convert to fraction form
    92,165.16/127,185.96 = 56,355.60/x
  3. Step 3: Cross multiply
    92,165.16x = 127,185.96 × 56,355.60
  4. Step 4: Simplify right side
    92,165.16x = 7,167,641,087.38
  5. Step 5: Solve for x
    x = 7,167,641,087.38/92,165.16
  6. Step 6: Final answer
    x = 77,769.53

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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.