Home / 77,513.34-107,000.92-52,396.86

Finding the Fourth Proportional to 77,513.34, 107,000.92 and 52,396.86

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Solution

The fourth proportional to 77,513.34, 107,000.92 and 52,396.86 is: 72,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,513.34 : 107,000.92 = 52,396.86 : x
  2. Step 2: Convert to fraction form
    77,513.34/107,000.92 = 52,396.86/x
  3. Step 3: Cross multiply
    77,513.34x = 107,000.92 × 52,396.86
  4. Step 4: Simplify right side
    77,513.34x = 5,606,512,225.11
  5. Step 5: Solve for x
    x = 5,606,512,225.11/77,513.34
  6. Step 6: Final answer
    x = 72,329.64

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1.5x scale

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.