Home / 104,479.90-144,223.42-70,508.50

Finding the Fourth Proportional to 104,479.90, 144,223.42 and 70,508.50

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Solution

The fourth proportional to 104,479.90, 144,223.42 and 70,508.50 is: 97,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.90 : 144,223.42 = 70,508.50 : x
  2. Step 2: Convert to fraction form
    104,479.90/144,223.42 = 70,508.50/x
  3. Step 3: Cross multiply
    104,479.90x = 144,223.42 × 70,508.50
  4. Step 4: Simplify right side
    104,479.90x = 10,168,977,009.07
  5. Step 5: Solve for x
    x = 10,168,977,009.07/104,479.90
  6. Step 6: Final answer
    x = 97,329.51

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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.