Home / 75,729.94-104,525.14-47,071.26

Finding the Fourth Proportional to 75,729.94, 104,525.14 and 47,071.26

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Solution

The fourth proportional to 75,729.94, 104,525.14 and 47,071.26 is: 64,969.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.94 : 104,525.14 = 47,071.26 : x
  2. Step 2: Convert to fraction form
    75,729.94/104,525.14 = 47,071.26/x
  3. Step 3: Cross multiply
    75,729.94x = 104,525.14 × 47,071.26
  4. Step 4: Simplify right side
    75,729.94x = 4,920,130,041.48
  5. Step 5: Solve for x
    x = 4,920,130,041.48/75,729.94
  6. Step 6: Final answer
    x = 64,969.42

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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.