Home / 89,349.40-133,837.80-42,004.90

Finding the Fourth Proportional to 89,349.40, 133,837.80 and 42,004.90

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Solution

The fourth proportional to 89,349.40, 133,837.80 and 42,004.90 is: 62,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.40 : 133,837.80 = 42,004.90 : x
  2. Step 2: Convert to fraction form
    89,349.40/133,837.80 = 42,004.90/x
  3. Step 3: Cross multiply
    89,349.40x = 133,837.80 × 42,004.90
  4. Step 4: Simplify right side
    89,349.40x = 5,621,843,405.22
  5. Step 5: Solve for x
    x = 5,621,843,405.22/89,349.40
  6. Step 6: Final answer
    x = 62,919.77

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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.