Home / 66,311.02-99,467.57-36,915.69

Finding the Fourth Proportional to 66,311.02, 99,467.57 and 36,915.69

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Solution

The fourth proportional to 66,311.02, 99,467.57 and 36,915.69 is: 55,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.02 : 99,467.57 = 36,915.69 : x
  2. Step 2: Convert to fraction form
    66,311.02/99,467.57 = 36,915.69/x
  3. Step 3: Cross multiply
    66,311.02x = 99,467.57 × 36,915.69
  4. Step 4: Simplify right side
    66,311.02x = 3,671,914,071.46
  5. Step 5: Solve for x
    x = 3,671,914,071.46/66,311.02
  6. Step 6: Final answer
    x = 55,374.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.