Home / 91,611.53-126,437.27-51,328.02

Finding the Fourth Proportional to 91,611.53, 126,437.27 and 51,328.02

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Solution

The fourth proportional to 91,611.53, 126,437.27 and 51,328.02 is: 70,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611.53 : 126,437.27 = 51,328.02 : x
  2. Step 2: Convert to fraction form
    91,611.53/126,437.27 = 51,328.02/x
  3. Step 3: Cross multiply
    91,611.53x = 126,437.27 × 51,328.02
  4. Step 4: Simplify right side
    91,611.53x = 6,489,774,466.67
  5. Step 5: Solve for x
    x = 6,489,774,466.67/91,611.53
  6. Step 6: Final answer
    x = 70,840.15

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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.