Home / 67,128.83-92,636.29-36,501.11

Finding the Fourth Proportional to 67,128.83, 92,636.29 and 36,501.11

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Solution

The fourth proportional to 67,128.83, 92,636.29 and 36,501.11 is: 50,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.83 : 92,636.29 = 36,501.11 : x
  2. Step 2: Convert to fraction form
    67,128.83/92,636.29 = 36,501.11/x
  3. Step 3: Cross multiply
    67,128.83x = 92,636.29 × 36,501.11
  4. Step 4: Simplify right side
    67,128.83x = 3,381,327,411.28
  5. Step 5: Solve for x
    x = 3,381,327,411.28/67,128.83
  6. Step 6: Final answer
    x = 50,370.72

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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.