Home / 107,450.40-148,247.60-64,421.04

Finding the Fourth Proportional to 107,450.40, 148,247.60 and 64,421.04

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Solution

The fourth proportional to 107,450.40, 148,247.60 and 64,421.04 is: 88,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,450.40 : 148,247.60 = 64,421.04 : x
  2. Step 2: Convert to fraction form
    107,450.40/148,247.60 = 64,421.04/x
  3. Step 3: Cross multiply
    107,450.40x = 148,247.60 × 64,421.04
  4. Step 4: Simplify right side
    107,450.40x = 9,550,264,569.50
  5. Step 5: Solve for x
    x = 9,550,264,569.50/107,450.40
  6. Step 6: Final answer
    x = 88,880.68

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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.