Home / 104,784.76-157,088.98-45,575.84

Finding the Fourth Proportional to 104,784.76, 157,088.98 and 45,575.84

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Solution

The fourth proportional to 104,784.76, 157,088.98 and 45,575.84 is: 68,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.76 : 157,088.98 = 45,575.84 : x
  2. Step 2: Convert to fraction form
    104,784.76/157,088.98 = 45,575.84/x
  3. Step 3: Cross multiply
    104,784.76x = 157,088.98 × 45,575.84
  4. Step 4: Simplify right side
    104,784.76x = 7,159,462,021.88
  5. Step 5: Solve for x
    x = 7,159,462,021.88/104,784.76
  6. Step 6: Final answer
    x = 68,325.41

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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.