Home / 90,558.65-125,056.04-58,349.81

Finding the Fourth Proportional to 90,558.65, 125,056.04 and 58,349.81

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Solution

The fourth proportional to 90,558.65, 125,056.04 and 58,349.81 is: 80,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,558.65 : 125,056.04 = 58,349.81 : x
  2. Step 2: Convert to fraction form
    90,558.65/125,056.04 = 58,349.81/x
  3. Step 3: Cross multiply
    90,558.65x = 125,056.04 × 58,349.81
  4. Step 4: Simplify right side
    90,558.65x = 7,296,995,256.32
  5. Step 5: Solve for x
    x = 7,296,995,256.32/90,558.65
  6. Step 6: Final answer
    x = 80,577.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.