Home / 51,373.65-70,900.74-30,152.46

Finding the Fourth Proportional to 51,373.65, 70,900.74 and 30,152.46

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Solution

The fourth proportional to 51,373.65, 70,900.74 and 30,152.46 is: 41,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.65 : 70,900.74 = 30,152.46 : x
  2. Step 2: Convert to fraction form
    51,373.65/70,900.74 = 30,152.46/x
  3. Step 3: Cross multiply
    51,373.65x = 70,900.74 × 30,152.46
  4. Step 4: Simplify right side
    51,373.65x = 2,137,831,726.82
  5. Step 5: Solve for x
    x = 2,137,831,726.82/51,373.65
  6. Step 6: Final answer
    x = 41,613.39

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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.