Home / 98,749.62-136,300.05-60,521.94

Finding the Fourth Proportional to 98,749.62, 136,300.05 and 60,521.94

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Solution

The fourth proportional to 98,749.62, 136,300.05 and 60,521.94 is: 83,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,749.62 : 136,300.05 = 60,521.94 : x
  2. Step 2: Convert to fraction form
    98,749.62/136,300.05 = 60,521.94/x
  3. Step 3: Cross multiply
    98,749.62x = 136,300.05 × 60,521.94
  4. Step 4: Simplify right side
    98,749.62x = 8,249,143,448.10
  5. Step 5: Solve for x
    x = 8,249,143,448.10/98,749.62
  6. Step 6: Final answer
    x = 83,535.95

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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.