Home / 91,530.06-126,322.10-55,741.02

Finding the Fourth Proportional to 91,530.06, 126,322.10 and 55,741.02

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Solution

The fourth proportional to 91,530.06, 126,322.10 and 55,741.02 is: 76,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,530.06 : 126,322.10 = 55,741.02 : x
  2. Step 2: Convert to fraction form
    91,530.06/126,322.10 = 55,741.02/x
  3. Step 3: Cross multiply
    91,530.06x = 126,322.10 × 55,741.02
  4. Step 4: Simplify right side
    91,530.06x = 7,041,322,702.54
  5. Step 5: Solve for x
    x = 7,041,322,702.54/91,530.06
  6. Step 6: Final answer
    x = 76,929.07

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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.