Home / 90,063.08-124,291.77-51,828.45

Finding the Fourth Proportional to 90,063.08, 124,291.77 and 51,828.45

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Solution

The fourth proportional to 90,063.08, 124,291.77 and 51,828.45 is: 71,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,063.08 : 124,291.77 = 51,828.45 : x
  2. Step 2: Convert to fraction form
    90,063.08/124,291.77 = 51,828.45/x
  3. Step 3: Cross multiply
    90,063.08x = 124,291.77 × 51,828.45
  4. Step 4: Simplify right side
    90,063.08x = 6,441,849,786.86
  5. Step 5: Solve for x
    x = 6,441,849,786.86/90,063.08
  6. Step 6: Final answer
    x = 71,525.98

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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.