Home / 91,560.32-126,342.80-51,268.48

Finding the Fourth Proportional to 91,560.32, 126,342.80 and 51,268.48

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Solution

The fourth proportional to 91,560.32, 126,342.80 and 51,268.48 is: 70,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,560.32 : 126,342.80 = 51,268.48 : x
  2. Step 2: Convert to fraction form
    91,560.32/126,342.80 = 51,268.48/x
  3. Step 3: Cross multiply
    91,560.32x = 126,342.80 × 51,268.48
  4. Step 4: Simplify right side
    91,560.32x = 6,477,403,314.94
  5. Step 5: Solve for x
    x = 6,477,403,314.94/91,560.32
  6. Step 6: Final answer
    x = 70,744.66

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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.