Home / 64,315.22-88,726.73-38,807.36

Finding the Fourth Proportional to 64,315.22, 88,726.73 and 38,807.36

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Solution

The fourth proportional to 64,315.22, 88,726.73 and 38,807.36 is: 53,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,315.22 : 88,726.73 = 38,807.36 : x
  2. Step 2: Convert to fraction form
    64,315.22/88,726.73 = 38,807.36/x
  3. Step 3: Cross multiply
    64,315.22x = 88,726.73 × 38,807.36
  4. Step 4: Simplify right side
    64,315.22x = 3,443,250,027.93
  5. Step 5: Solve for x
    x = 3,443,250,027.93/64,315.22
  6. Step 6: Final answer
    x = 53,537.09

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1.5x scale

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.