Home / 63,206.19-87,072.10-54,102.53

Finding the Fourth Proportional to 63,206.19, 87,072.10 and 54,102.53

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Solution

The fourth proportional to 63,206.19, 87,072.10 and 54,102.53 is: 74,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,206.19 : 87,072.10 = 54,102.53 : x
  2. Step 2: Convert to fraction form
    63,206.19/87,072.10 = 54,102.53/x
  3. Step 3: Cross multiply
    63,206.19x = 87,072.10 × 54,102.53
  4. Step 4: Simplify right side
    63,206.19x = 4,710,820,984.84
  5. Step 5: Solve for x
    x = 4,710,820,984.84/63,206.19
  6. Step 6: Final answer
    x = 74,531.01

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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.