Home / 98,739.93-136,260.92-53,417.95

Finding the Fourth Proportional to 98,739.93, 136,260.92 and 53,417.95

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Solution

The fourth proportional to 98,739.93, 136,260.92 and 53,417.95 is: 73,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,739.93 : 136,260.92 = 53,417.95 : x
  2. Step 2: Convert to fraction form
    98,739.93/136,260.92 = 53,417.95/x
  3. Step 3: Cross multiply
    98,739.93x = 136,260.92 × 53,417.95
  4. Step 4: Simplify right side
    98,739.93x = 7,278,779,115.07
  5. Step 5: Solve for x
    x = 7,278,779,115.07/98,739.93
  6. Step 6: Final answer
    x = 73,716.67

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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.