Home / 45,779.15-68,662.14-17,712.45

Finding the Fourth Proportional to 45,779.15, 68,662.14 and 17,712.45

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Solution

The fourth proportional to 45,779.15, 68,662.14 and 17,712.45 is: 26,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779.15 : 68,662.14 = 17,712.45 : x
  2. Step 2: Convert to fraction form
    45,779.15/68,662.14 = 17,712.45/x
  3. Step 3: Cross multiply
    45,779.15x = 68,662.14 × 17,712.45
  4. Step 4: Simplify right side
    45,779.15x = 1,216,174,721.64
  5. Step 5: Solve for x
    x = 1,216,174,721.64/45,779.15
  6. Step 6: Final answer
    x = 26,566.13

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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.