Home / 102,946.08-154,404.50-39,795.95

Finding the Fourth Proportional to 102,946.08, 154,404.50 and 39,795.95

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Solution

The fourth proportional to 102,946.08, 154,404.50 and 39,795.95 is: 59,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,946.08 : 154,404.50 = 39,795.95 : x
  2. Step 2: Convert to fraction form
    102,946.08/154,404.50 = 39,795.95/x
  3. Step 3: Cross multiply
    102,946.08x = 154,404.50 × 39,795.95
  4. Step 4: Simplify right side
    102,946.08x = 6,144,673,948.81
  5. Step 5: Solve for x
    x = 6,144,673,948.81/102,946.08
  6. Step 6: Final answer
    x = 59,688.27

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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.