Home / 90,875.46-136,322.07-34,762.71

Finding the Fourth Proportional to 90,875.46, 136,322.07 and 34,762.71

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Solution

The fourth proportional to 90,875.46, 136,322.07 and 34,762.71 is: 52,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,875.46 : 136,322.07 = 34,762.71 : x
  2. Step 2: Convert to fraction form
    90,875.46/136,322.07 = 34,762.71/x
  3. Step 3: Cross multiply
    90,875.46x = 136,322.07 × 34,762.71
  4. Step 4: Simplify right side
    90,875.46x = 4,738,924,586.01
  5. Step 5: Solve for x
    x = 4,738,924,586.01/90,875.46
  6. Step 6: Final answer
    x = 52,147.46

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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.