Home / 98,333.80-135,698.02-55,317.96

Finding the Fourth Proportional to 98,333.80, 135,698.02 and 55,317.96

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Solution

The fourth proportional to 98,333.80, 135,698.02 and 55,317.96 is: 76,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333.80 : 135,698.02 = 55,317.96 : x
  2. Step 2: Convert to fraction form
    98,333.80/135,698.02 = 55,317.96/x
  3. Step 3: Cross multiply
    98,333.80x = 135,698.02 × 55,317.96
  4. Step 4: Simplify right side
    98,333.80x = 7,506,537,642.44
  5. Step 5: Solve for x
    x = 7,506,537,642.44/98,333.80
  6. Step 6: Final answer
    x = 76,337.31

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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.