Home / 104,901.84-144,762.70-57,155.53

Finding the Fourth Proportional to 104,901.84, 144,762.70 and 57,155.53

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Solution

The fourth proportional to 104,901.84, 144,762.70 and 57,155.53 is: 78,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,901.84 : 144,762.70 = 57,155.53 : x
  2. Step 2: Convert to fraction form
    104,901.84/144,762.70 = 57,155.53/x
  3. Step 3: Cross multiply
    104,901.84x = 144,762.70 × 57,155.53
  4. Step 4: Simplify right side
    104,901.84x = 8,273,988,842.73
  5. Step 5: Solve for x
    x = 8,273,988,842.73/104,901.84
  6. Step 6: Final answer
    x = 78,873.63

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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.