Home / 63,421.24-87,521.95-38,265.88

Finding the Fourth Proportional to 63,421.24, 87,521.95 and 38,265.88

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Solution

The fourth proportional to 63,421.24, 87,521.95 and 38,265.88 is: 52,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.24 : 87,521.95 = 38,265.88 : x
  2. Step 2: Convert to fraction form
    63,421.24/87,521.95 = 38,265.88/x
  3. Step 3: Cross multiply
    63,421.24x = 87,521.95 × 38,265.88
  4. Step 4: Simplify right side
    63,421.24x = 3,349,104,436.07
  5. Step 5: Solve for x
    x = 3,349,104,436.07/63,421.24
  6. Step 6: Final answer
    x = 52,807.30

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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.