Home / 98,434.50-135,839.61-60,730.62

Finding the Fourth Proportional to 98,434.50, 135,839.61 and 60,730.62

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Solution

The fourth proportional to 98,434.50, 135,839.61 and 60,730.62 is: 83,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,434.50 : 135,839.61 = 60,730.62 : x
  2. Step 2: Convert to fraction form
    98,434.50/135,839.61 = 60,730.62/x
  3. Step 3: Cross multiply
    98,434.50x = 135,839.61 × 60,730.62
  4. Step 4: Simplify right side
    98,434.50x = 8,249,623,735.86
  5. Step 5: Solve for x
    x = 8,249,623,735.86/98,434.50
  6. Step 6: Final answer
    x = 83,808.26

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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.