Home / 96,860.48-145,509.44-57,443.45

Finding the Fourth Proportional to 96,860.48, 145,509.44 and 57,443.45

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Solution

The fourth proportional to 96,860.48, 145,509.44 and 57,443.45 is: 86,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,860.48 : 145,509.44 = 57,443.45 : x
  2. Step 2: Convert to fraction form
    96,860.48/145,509.44 = 57,443.45/x
  3. Step 3: Cross multiply
    96,860.48x = 145,509.44 × 57,443.45
  4. Step 4: Simplify right side
    96,860.48x = 8,358,563,226.40
  5. Step 5: Solve for x
    x = 8,358,563,226.40/96,860.48
  6. Step 6: Final answer
    x = 86,294.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.