Home / 91,705.77-126,555.31-53,464.25

Finding the Fourth Proportional to 91,705.77, 126,555.31 and 53,464.25

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Solution

The fourth proportional to 91,705.77, 126,555.31 and 53,464.25 is: 73,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,705.77 : 126,555.31 = 53,464.25 : x
  2. Step 2: Convert to fraction form
    91,705.77/126,555.31 = 53,464.25/x
  3. Step 3: Cross multiply
    91,705.77x = 126,555.31 × 53,464.25
  4. Step 4: Simplify right side
    91,705.77x = 6,766,185,115.89
  5. Step 5: Solve for x
    x = 6,766,185,115.89/91,705.77
  6. Step 6: Final answer
    x = 73,781.45

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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.