Home / 66,737.95-92,089.46-38,438.17

Finding the Fourth Proportional to 66,737.95, 92,089.46 and 38,438.17

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Solution

The fourth proportional to 66,737.95, 92,089.46 and 38,438.17 is: 53,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737.95 : 92,089.46 = 38,438.17 : x
  2. Step 2: Convert to fraction form
    66,737.95/92,089.46 = 38,438.17/x
  3. Step 3: Cross multiply
    66,737.95x = 92,089.46 × 38,438.17
  4. Step 4: Simplify right side
    66,737.95x = 3,539,750,184.56
  5. Step 5: Solve for x
    x = 3,539,750,184.56/66,737.95
  6. Step 6: Final answer
    x = 53,039.54

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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.