Home / 66,919.95-92,355.45-36,711.16

Finding the Fourth Proportional to 66,919.95, 92,355.45 and 36,711.16

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Solution

The fourth proportional to 66,919.95, 92,355.45 and 36,711.16 is: 50,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919.95 : 92,355.45 = 36,711.16 : x
  2. Step 2: Convert to fraction form
    66,919.95/92,355.45 = 36,711.16/x
  3. Step 3: Cross multiply
    66,919.95x = 92,355.45 × 36,711.16
  4. Step 4: Simplify right side
    66,919.95x = 3,390,475,701.82
  5. Step 5: Solve for x
    x = 3,390,475,701.82/66,919.95
  6. Step 6: Final answer
    x = 50,664.65

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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.