Home / 125,890.04-173,706.18-75,590.12

Finding the Fourth Proportional to 125,890.04, 173,706.18 and 75,590.12

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Solution

The fourth proportional to 125,890.04, 173,706.18 and 75,590.12 is: 104,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,890.04 : 173,706.18 = 75,590.12 : x
  2. Step 2: Convert to fraction form
    125,890.04/173,706.18 = 75,590.12/x
  3. Step 3: Cross multiply
    125,890.04x = 173,706.18 × 75,590.12
  4. Step 4: Simplify right side
    125,890.04x = 13,130,470,990.94
  5. Step 5: Solve for x
    x = 13,130,470,990.94/125,890.04
  6. Step 6: Final answer
    x = 104,301.11

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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.