Home / 105,302.90-157,865.50-49,113.41

Finding the Fourth Proportional to 105,302.90, 157,865.50 and 49,113.41

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Solution

The fourth proportional to 105,302.90, 157,865.50 and 49,113.41 is: 73,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,302.90 : 157,865.50 = 49,113.41 : x
  2. Step 2: Convert to fraction form
    105,302.90/157,865.50 = 49,113.41/x
  3. Step 3: Cross multiply
    105,302.90x = 157,865.50 × 49,113.41
  4. Step 4: Simplify right side
    105,302.90x = 7,753,312,298.42
  5. Step 5: Solve for x
    x = 7,753,312,298.42/105,302.90
  6. Step 6: Final answer
    x = 73,628.67

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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.