Home / 98,749.07-148,111.13-31,287.95

Finding the Fourth Proportional to 98,749.07, 148,111.13 and 31,287.95

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Solution

The fourth proportional to 98,749.07, 148,111.13 and 31,287.95 is: 46,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,749.07 : 148,111.13 = 31,287.95 : x
  2. Step 2: Convert to fraction form
    98,749.07/148,111.13 = 31,287.95/x
  3. Step 3: Cross multiply
    98,749.07x = 148,111.13 × 31,287.95
  4. Step 4: Simplify right side
    98,749.07x = 4,634,093,927.81
  5. Step 5: Solve for x
    x = 4,634,093,927.81/98,749.07
  6. Step 6: Final answer
    x = 46,927.97

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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.