Home / 98,798.10-136,367.73-61,051.02

Finding the Fourth Proportional to 98,798.10, 136,367.73 and 61,051.02

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Solution

The fourth proportional to 98,798.10, 136,367.73 and 61,051.02 is: 84,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,798.10 : 136,367.73 = 61,051.02 : x
  2. Step 2: Convert to fraction form
    98,798.10/136,367.73 = 61,051.02/x
  3. Step 3: Cross multiply
    98,798.10x = 136,367.73 × 61,051.02
  4. Step 4: Simplify right side
    98,798.10x = 8,325,389,011.58
  5. Step 5: Solve for x
    x = 8,325,389,011.58/98,798.10
  6. Step 6: Final answer
    x = 84,266.69

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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.