Home / 45,931.40-68,897.10-16,382.60

Finding the Fourth Proportional to 45,931.40, 68,897.10 and 16,382.60

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Solution

The fourth proportional to 45,931.40, 68,897.10 and 16,382.60 is: 24,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.40 : 68,897.10 = 16,382.60 : x
  2. Step 2: Convert to fraction form
    45,931.40/68,897.10 = 16,382.60/x
  3. Step 3: Cross multiply
    45,931.40x = 68,897.10 × 16,382.60
  4. Step 4: Simplify right side
    45,931.40x = 1,128,713,630.46
  5. Step 5: Solve for x
    x = 1,128,713,630.46/45,931.40
  6. Step 6: Final answer
    x = 24,573.90

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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.