Home / 103,065.48-154,376.04-69,601.53

Finding the Fourth Proportional to 103,065.48, 154,376.04 and 69,601.53

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Solution

The fourth proportional to 103,065.48, 154,376.04 and 69,601.53 is: 104,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,065.48 : 154,376.04 = 69,601.53 : x
  2. Step 2: Convert to fraction form
    103,065.48/154,376.04 = 69,601.53/x
  3. Step 3: Cross multiply
    103,065.48x = 154,376.04 × 69,601.53
  4. Step 4: Simplify right side
    103,065.48x = 10,744,808,579.34
  5. Step 5: Solve for x
    x = 10,744,808,579.34/103,065.48
  6. Step 6: Final answer
    x = 104,252.25

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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.