Home / 63,420.37-87,497.62-37,909.01

Finding the Fourth Proportional to 63,420.37, 87,497.62 and 37,909.01

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Solution

The fourth proportional to 63,420.37, 87,497.62 and 37,909.01 is: 52,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.37 : 87,497.62 = 37,909.01 : x
  2. Step 2: Convert to fraction form
    63,420.37/87,497.62 = 37,909.01/x
  3. Step 3: Cross multiply
    63,420.37x = 87,497.62 × 37,909.01
  4. Step 4: Simplify right side
    63,420.37x = 3,316,948,275.53
  5. Step 5: Solve for x
    x = 3,316,948,275.53/63,420.37
  6. Step 6: Final answer
    x = 52,300.99

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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.