Home / 66,905.41-92,330.74-36,688.93

Finding the Fourth Proportional to 66,905.41, 92,330.74 and 36,688.93

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Solution

The fourth proportional to 66,905.41, 92,330.74 and 36,688.93 is: 50,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905.41 : 92,330.74 = 36,688.93 : x
  2. Step 2: Convert to fraction form
    66,905.41/92,330.74 = 36,688.93/x
  3. Step 3: Cross multiply
    66,905.41x = 92,330.74 × 36,688.93
  4. Step 4: Simplify right side
    66,905.41x = 3,387,516,184.73
  5. Step 5: Solve for x
    x = 3,387,516,184.73/66,905.41
  6. Step 6: Final answer
    x = 50,631.42

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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.