Home / 98,532.36-135,985.50-56,084.04

Finding the Fourth Proportional to 98,532.36, 135,985.50 and 56,084.04

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Solution

The fourth proportional to 98,532.36, 135,985.50 and 56,084.04 is: 77,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,532.36 : 135,985.50 = 56,084.04 : x
  2. Step 2: Convert to fraction form
    98,532.36/135,985.50 = 56,084.04/x
  3. Step 3: Cross multiply
    98,532.36x = 135,985.50 × 56,084.04
  4. Step 4: Simplify right side
    98,532.36x = 7,626,616,221.42
  5. Step 5: Solve for x
    x = 7,626,616,221.42/98,532.36
  6. Step 6: Final answer
    x = 77,402.15

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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.