Home / 66,828.21-92,225.47-38,152.54

Finding the Fourth Proportional to 66,828.21, 92,225.47 and 38,152.54

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Solution

The fourth proportional to 66,828.21, 92,225.47 and 38,152.54 is: 52,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,828.21 : 92,225.47 = 38,152.54 : x
  2. Step 2: Convert to fraction form
    66,828.21/92,225.47 = 38,152.54/x
  3. Step 3: Cross multiply
    66,828.21x = 92,225.47 × 38,152.54
  4. Step 4: Simplify right side
    66,828.21x = 3,518,636,096.17
  5. Step 5: Solve for x
    x = 3,518,636,096.17/66,828.21
  6. Step 6: Final answer
    x = 52,651.96

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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.