Home / 66,946.20-92,377.95-40,084.98

Finding the Fourth Proportional to 66,946.20, 92,377.95 and 40,084.98

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Solution

The fourth proportional to 66,946.20, 92,377.95 and 40,084.98 is: 55,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,946.20 : 92,377.95 = 40,084.98 : x
  2. Step 2: Convert to fraction form
    66,946.20/92,377.95 = 40,084.98/x
  3. Step 3: Cross multiply
    66,946.20x = 92,377.95 × 40,084.98
  4. Step 4: Simplify right side
    66,946.20x = 3,702,968,278.19
  5. Step 5: Solve for x
    x = 3,702,968,278.19/66,946.20
  6. Step 6: Final answer
    x = 55,312.60

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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.