Home / 98,681.09-148,036.01-31,190.27

Finding the Fourth Proportional to 98,681.09, 148,036.01 and 31,190.27

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Solution

The fourth proportional to 98,681.09, 148,036.01 and 31,190.27 is: 46,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681.09 : 148,036.01 = 31,190.27 : x
  2. Step 2: Convert to fraction form
    98,681.09/148,036.01 = 31,190.27/x
  3. Step 3: Cross multiply
    98,681.09x = 148,036.01 × 31,190.27
  4. Step 4: Simplify right side
    98,681.09x = 4,617,282,225.49
  5. Step 5: Solve for x
    x = 4,617,282,225.49/98,681.09
  6. Step 6: Final answer
    x = 46,789.94

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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.