Home / 94,011.36-141,030-31,699.68

Finding the Fourth Proportional to 94,011.36, 141,030 and 31,699.68

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Solution

The fourth proportional to 94,011.36, 141,030 and 31,699.68 is: 47,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,011.36 : 141,030 = 31,699.68 : x
  2. Step 2: Convert to fraction form
    94,011.36/141,030 = 31,699.68/x
  3. Step 3: Cross multiply
    94,011.36x = 141,030 × 31,699.68
  4. Step 4: Simplify right side
    94,011.36x = 4,470,605,870.40
  5. Step 5: Solve for x
    x = 4,470,605,870.40/94,011.36
  6. Step 6: Final answer
    x = 47,553.89

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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.