Home / 46,090.16-69,135.29-12,810.23

Finding the Fourth Proportional to 46,090.16, 69,135.29 and 12,810.23

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Solution

The fourth proportional to 46,090.16, 69,135.29 and 12,810.23 is: 19,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,090.16 : 69,135.29 = 12,810.23 : x
  2. Step 2: Convert to fraction form
    46,090.16/69,135.29 = 12,810.23/x
  3. Step 3: Cross multiply
    46,090.16x = 69,135.29 × 12,810.23
  4. Step 4: Simplify right side
    46,090.16x = 885,639,170.88
  5. Step 5: Solve for x
    x = 885,639,170.88/46,090.16
  6. Step 6: Final answer
    x = 19,215.36

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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.