Home / 98,087.90-147,279.42-56,015.46

Finding the Fourth Proportional to 98,087.90, 147,279.42 and 56,015.46

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Solution

The fourth proportional to 98,087.90, 147,279.42 and 56,015.46 is: 84,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,087.90 : 147,279.42 = 56,015.46 : x
  2. Step 2: Convert to fraction form
    98,087.90/147,279.42 = 56,015.46/x
  3. Step 3: Cross multiply
    98,087.90x = 147,279.42 × 56,015.46
  4. Step 4: Simplify right side
    98,087.90x = 8,249,924,459.83
  5. Step 5: Solve for x
    x = 8,249,924,459.83/98,087.90
  6. Step 6: Final answer
    x = 84,107.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.