Home / 91,748.63-126,559.32-57,703.07

Finding the Fourth Proportional to 91,748.63, 126,559.32 and 57,703.07

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Solution

The fourth proportional to 91,748.63, 126,559.32 and 57,703.07 is: 79,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,748.63 : 126,559.32 = 57,703.07 : x
  2. Step 2: Convert to fraction form
    91,748.63/126,559.32 = 57,703.07/x
  3. Step 3: Cross multiply
    91,748.63x = 126,559.32 × 57,703.07
  4. Step 4: Simplify right side
    91,748.63x = 7,302,861,301.11
  5. Step 5: Solve for x
    x = 7,302,861,301.11/91,748.63
  6. Step 6: Final answer
    x = 79,596.41

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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.