Home / 76,035.05-104,926.50-42,042.68

Finding the Fourth Proportional to 76,035.05, 104,926.50 and 42,042.68

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Solution

The fourth proportional to 76,035.05, 104,926.50 and 42,042.68 is: 58,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.05 : 104,926.50 = 42,042.68 : x
  2. Step 2: Convert to fraction form
    76,035.05/104,926.50 = 42,042.68/x
  3. Step 3: Cross multiply
    76,035.05x = 104,926.50 × 42,042.68
  4. Step 4: Simplify right side
    76,035.05x = 4,411,390,738.39
  5. Step 5: Solve for x
    x = 4,411,390,738.39/76,035.05
  6. Step 6: Final answer
    x = 58,017.86

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1.5x scale

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.