Home / 91,734.86-126,595.40-55,431.27

Finding the Fourth Proportional to 91,734.86, 126,595.40 and 55,431.27

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Solution

The fourth proportional to 91,734.86, 126,595.40 and 55,431.27 is: 76,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,734.86 : 126,595.40 = 55,431.27 : x
  2. Step 2: Convert to fraction form
    91,734.86/126,595.40 = 55,431.27/x
  3. Step 3: Cross multiply
    91,734.86x = 126,595.40 × 55,431.27
  4. Step 4: Simplify right side
    91,734.86x = 7,017,343,798.16
  5. Step 5: Solve for x
    x = 7,017,343,798.16/91,734.86
  6. Step 6: Final answer
    x = 76,495.93

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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.