Home / 98,847.03-136,418.67-56,411.94

Finding the Fourth Proportional to 98,847.03, 136,418.67 and 56,411.94

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Solution

The fourth proportional to 98,847.03, 136,418.67 and 56,411.94 is: 77,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,847.03 : 136,418.67 = 56,411.94 : x
  2. Step 2: Convert to fraction form
    98,847.03/136,418.67 = 56,411.94/x
  3. Step 3: Cross multiply
    98,847.03x = 136,418.67 × 56,411.94
  4. Step 4: Simplify right side
    98,847.03x = 7,695,641,826.92
  5. Step 5: Solve for x
    x = 7,695,641,826.92/98,847.03
  6. Step 6: Final answer
    x = 77,854.05

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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.