Home / 90,678.22-136,017.12-24,118.36

Finding the Fourth Proportional to 90,678.22, 136,017.12 and 24,118.36

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Solution

The fourth proportional to 90,678.22, 136,017.12 and 24,118.36 is: 36,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,678.22 : 136,017.12 = 24,118.36 : x
  2. Step 2: Convert to fraction form
    90,678.22/136,017.12 = 24,118.36/x
  3. Step 3: Cross multiply
    90,678.22x = 136,017.12 × 24,118.36
  4. Step 4: Simplify right side
    90,678.22x = 3,280,509,866.32
  5. Step 5: Solve for x
    x = 3,280,509,866.32/90,678.22
  6. Step 6: Final answer
    x = 36,177.48

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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.