Home / 97,663.42-134,776.19-56,851.86

Finding the Fourth Proportional to 97,663.42, 134,776.19 and 56,851.86

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Solution

The fourth proportional to 97,663.42, 134,776.19 and 56,851.86 is: 78,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,663.42 : 134,776.19 = 56,851.86 : x
  2. Step 2: Convert to fraction form
    97,663.42/134,776.19 = 56,851.86/x
  3. Step 3: Cross multiply
    97,663.42x = 134,776.19 × 56,851.86
  4. Step 4: Simplify right side
    97,663.42x = 7,662,277,085.21
  5. Step 5: Solve for x
    x = 7,662,277,085.21/97,663.42
  6. Step 6: Final answer
    x = 78,455.96

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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.