Home / 104,931.18-144,805.04-57,184.54

Finding the Fourth Proportional to 104,931.18, 144,805.04 and 57,184.54

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Solution

The fourth proportional to 104,931.18, 144,805.04 and 57,184.54 is: 78,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.18 : 144,805.04 = 57,184.54 : x
  2. Step 2: Convert to fraction form
    104,931.18/144,805.04 = 57,184.54/x
  3. Step 3: Cross multiply
    104,931.18x = 144,805.04 × 57,184.54
  4. Step 4: Simplify right side
    104,931.18x = 8,280,609,602.08
  5. Step 5: Solve for x
    x = 8,280,609,602.08/104,931.18
  6. Step 6: Final answer
    x = 78,914.67

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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.