Home / 90,533.10-135,814.80-37,946.58

Finding the Fourth Proportional to 90,533.10, 135,814.80 and 37,946.58

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Solution

The fourth proportional to 90,533.10, 135,814.80 and 37,946.58 is: 56,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533.10 : 135,814.80 = 37,946.58 : x
  2. Step 2: Convert to fraction form
    90,533.10/135,814.80 = 37,946.58/x
  3. Step 3: Cross multiply
    90,533.10x = 135,814.80 × 37,946.58
  4. Step 4: Simplify right side
    90,533.10x = 5,153,707,173.38
  5. Step 5: Solve for x
    x = 5,153,707,173.38/90,533.10
  6. Step 6: Final answer
    x = 56,926.22

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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.