Home / 51,284.49-70,706.80-42,052.02

Finding the Fourth Proportional to 51,284.49, 70,706.80 and 42,052.02

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Solution

The fourth proportional to 51,284.49, 70,706.80 and 42,052.02 is: 57,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284.49 : 70,706.80 = 42,052.02 : x
  2. Step 2: Convert to fraction form
    51,284.49/70,706.80 = 42,052.02/x
  3. Step 3: Cross multiply
    51,284.49x = 70,706.80 × 42,052.02
  4. Step 4: Simplify right side
    51,284.49x = 2,973,363,557.48
  5. Step 5: Solve for x
    x = 2,973,363,557.48/51,284.49
  6. Step 6: Final answer
    x = 57,977.84

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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.