Home / 90,878.14-136,296.01-34,697.62

Finding the Fourth Proportional to 90,878.14, 136,296.01 and 34,697.62

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Solution

The fourth proportional to 90,878.14, 136,296.01 and 34,697.62 is: 52,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,878.14 : 136,296.01 = 34,697.62 : x
  2. Step 2: Convert to fraction form
    90,878.14/136,296.01 = 34,697.62/x
  3. Step 3: Cross multiply
    90,878.14x = 136,296.01 × 34,697.62
  4. Step 4: Simplify right side
    90,878.14x = 4,729,147,162.50
  5. Step 5: Solve for x
    x = 4,729,147,162.50/90,878.14
  6. Step 6: Final answer
    x = 52,038.34

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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.