Home / 46,090.10-69,135.20-12,810.17

Finding the Fourth Proportional to 46,090.10, 69,135.20 and 12,810.17

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Solution

The fourth proportional to 46,090.10, 69,135.20 and 12,810.17 is: 19,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,090.10 : 69,135.20 = 12,810.17 : x
  2. Step 2: Convert to fraction form
    46,090.10/69,135.20 = 12,810.17/x
  3. Step 3: Cross multiply
    46,090.10x = 69,135.20 × 12,810.17
  4. Step 4: Simplify right side
    46,090.10x = 885,633,664.98
  5. Step 5: Solve for x
    x = 885,633,664.98/46,090.10
  6. Step 6: Final answer
    x = 19,215.27

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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.