Home / 70,448.25-105,686.19-26,075.38

Finding the Fourth Proportional to 70,448.25, 105,686.19 and 26,075.38

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Solution

The fourth proportional to 70,448.25, 105,686.19 and 26,075.38 is: 39,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,448.25 : 105,686.19 = 26,075.38 : x
  2. Step 2: Convert to fraction form
    70,448.25/105,686.19 = 26,075.38/x
  3. Step 3: Cross multiply
    70,448.25x = 105,686.19 × 26,075.38
  4. Step 4: Simplify right side
    70,448.25x = 2,755,807,565.00
  5. Step 5: Solve for x
    x = 2,755,807,565.00/70,448.25
  6. Step 6: Final answer
    x = 39,118.18

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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.