Home / 104,688.12-157,028.48-29,808.64

Finding the Fourth Proportional to 104,688.12, 157,028.48 and 29,808.64

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Solution

The fourth proportional to 104,688.12, 157,028.48 and 29,808.64 is: 44,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,688.12 : 157,028.48 = 29,808.64 : x
  2. Step 2: Convert to fraction form
    104,688.12/157,028.48 = 29,808.64/x
  3. Step 3: Cross multiply
    104,688.12x = 157,028.48 × 29,808.64
  4. Step 4: Simplify right side
    104,688.12x = 4,680,805,430.07
  5. Step 5: Solve for x
    x = 4,680,805,430.07/104,688.12
  6. Step 6: Final answer
    x = 44,711.91

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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.