Home / 75,448.34-104,079.67-51,250.55

Finding the Fourth Proportional to 75,448.34, 104,079.67 and 51,250.55

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Solution

The fourth proportional to 75,448.34, 104,079.67 and 51,250.55 is: 70,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,448.34 : 104,079.67 = 51,250.55 : x
  2. Step 2: Convert to fraction form
    75,448.34/104,079.67 = 51,250.55/x
  3. Step 3: Cross multiply
    75,448.34x = 104,079.67 × 51,250.55
  4. Step 4: Simplify right side
    75,448.34x = 5,334,140,075.07
  5. Step 5: Solve for x
    x = 5,334,140,075.07/75,448.34
  6. Step 6: Final answer
    x = 70,699.24

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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.