Home / 90,678.50-136,017.58-24,118.70

Finding the Fourth Proportional to 90,678.50, 136,017.58 and 24,118.70

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Solution

The fourth proportional to 90,678.50, 136,017.58 and 24,118.70 is: 36,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,678.50 : 136,017.58 = 24,118.70 : x
  2. Step 2: Convert to fraction form
    90,678.50/136,017.58 = 24,118.70/x
  3. Step 3: Cross multiply
    90,678.50x = 136,017.58 × 24,118.70
  4. Step 4: Simplify right side
    90,678.50x = 3,280,567,486.49
  5. Step 5: Solve for x
    x = 3,280,567,486.49/90,678.50
  6. Step 6: Final answer
    x = 36,178.01

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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.