Home / 88,841.40-122,589.28-57,053.36

Finding the Fourth Proportional to 88,841.40, 122,589.28 and 57,053.36

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Solution

The fourth proportional to 88,841.40, 122,589.28 and 57,053.36 is: 78,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,841.40 : 122,589.28 = 57,053.36 : x
  2. Step 2: Convert to fraction form
    88,841.40/122,589.28 = 57,053.36/x
  3. Step 3: Cross multiply
    88,841.40x = 122,589.28 × 57,053.36
  4. Step 4: Simplify right side
    88,841.40x = 6,994,130,323.98
  5. Step 5: Solve for x
    x = 6,994,130,323.98/88,841.40
  6. Step 6: Final answer
    x = 78,726.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.