Home / 105,093.70-157,640.55-38,538.34

Finding the Fourth Proportional to 105,093.70, 157,640.55 and 38,538.34

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Solution

The fourth proportional to 105,093.70, 157,640.55 and 38,538.34 is: 57,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,093.70 : 157,640.55 = 38,538.34 : x
  2. Step 2: Convert to fraction form
    105,093.70/157,640.55 = 38,538.34/x
  3. Step 3: Cross multiply
    105,093.70x = 157,640.55 × 38,538.34
  4. Step 4: Simplify right side
    105,093.70x = 6,075,205,113.69
  5. Step 5: Solve for x
    x = 6,075,205,113.69/105,093.70
  6. Step 6: Final answer
    x = 57,807.51

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1.5x scale

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.