Home / 92,639.12-127,841.80-50,197.52

Finding the Fourth Proportional to 92,639.12, 127,841.80 and 50,197.52

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Solution

The fourth proportional to 92,639.12, 127,841.80 and 50,197.52 is: 69,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,639.12 : 127,841.80 = 50,197.52 : x
  2. Step 2: Convert to fraction form
    92,639.12/127,841.80 = 50,197.52/x
  3. Step 3: Cross multiply
    92,639.12x = 127,841.80 × 50,197.52
  4. Step 4: Simplify right side
    92,639.12x = 6,417,341,312.34
  5. Step 5: Solve for x
    x = 6,417,341,312.34/92,639.12
  6. Step 6: Final answer
    x = 69,272.48

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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.