Home / 98,898.04-136,493.22-56,459.08

Finding the Fourth Proportional to 98,898.04, 136,493.22 and 56,459.08

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Solution

The fourth proportional to 98,898.04, 136,493.22 and 56,459.08 is: 77,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,898.04 : 136,493.22 = 56,459.08 : x
  2. Step 2: Convert to fraction form
    98,898.04/136,493.22 = 56,459.08/x
  3. Step 3: Cross multiply
    98,898.04x = 136,493.22 × 56,459.08
  4. Step 4: Simplify right side
    98,898.04x = 7,706,281,627.44
  5. Step 5: Solve for x
    x = 7,706,281,627.44/98,898.04
  6. Step 6: Final answer
    x = 77,921.48

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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.