Home / 49,135.84-73,702.80-14,070.40

Finding the Fourth Proportional to 49,135.84, 73,702.80 and 14,070.40

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Solution

The fourth proportional to 49,135.84, 73,702.80 and 14,070.40 is: 21,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.84 : 73,702.80 = 14,070.40 : x
  2. Step 2: Convert to fraction form
    49,135.84/73,702.80 = 14,070.40/x
  3. Step 3: Cross multiply
    49,135.84x = 73,702.80 × 14,070.40
  4. Step 4: Simplify right side
    49,135.84x = 1,037,027,877.12
  5. Step 5: Solve for x
    x = 1,037,027,877.12/49,135.84
  6. Step 6: Final answer
    x = 21,105.33

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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.