Home / 92,733.08-139,125.54-30,447.32

Finding the Fourth Proportional to 92,733.08, 139,125.54 and 30,447.32

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Solution

The fourth proportional to 92,733.08, 139,125.54 and 30,447.32 is: 45,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,733.08 : 139,125.54 = 30,447.32 : x
  2. Step 2: Convert to fraction form
    92,733.08/139,125.54 = 30,447.32/x
  3. Step 3: Cross multiply
    92,733.08x = 139,125.54 × 30,447.32
  4. Step 4: Simplify right side
    92,733.08x = 4,235,999,836.55
  5. Step 5: Solve for x
    x = 4,235,999,836.55/92,733.08
  6. Step 6: Final answer
    x = 45,679.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.