Home / 91,069.63-136,571.64-38,483.23

Finding the Fourth Proportional to 91,069.63, 136,571.64 and 38,483.23

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Solution

The fourth proportional to 91,069.63, 136,571.64 and 38,483.23 is: 57,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,069.63 : 136,571.64 = 38,483.23 : x
  2. Step 2: Convert to fraction form
    91,069.63/136,571.64 = 38,483.23/x
  3. Step 3: Cross multiply
    91,069.63x = 136,571.64 × 38,483.23
  4. Step 4: Simplify right side
    91,069.63x = 5,255,717,833.60
  5. Step 5: Solve for x
    x = 5,255,717,833.60/91,069.63
  6. Step 6: Final answer
    x = 57,710.98

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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.