Home / 104,977.95-157,420.76-38,400.81

Finding the Fourth Proportional to 104,977.95, 157,420.76 and 38,400.81

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Solution

The fourth proportional to 104,977.95, 157,420.76 and 38,400.81 is: 57,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.95 : 157,420.76 = 38,400.81 : x
  2. Step 2: Convert to fraction form
    104,977.95/157,420.76 = 38,400.81/x
  3. Step 3: Cross multiply
    104,977.95x = 157,420.76 × 38,400.81
  4. Step 4: Simplify right side
    104,977.95x = 6,045,084,502.81
  5. Step 5: Solve for x
    x = 6,045,084,502.81/104,977.95
  6. Step 6: Final answer
    x = 57,584.33

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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.