Home / 77,373.02-106,735.47-50,531.24

Finding the Fourth Proportional to 77,373.02, 106,735.47 and 50,531.24

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Solution

The fourth proportional to 77,373.02, 106,735.47 and 50,531.24 is: 69,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,373.02 : 106,735.47 = 50,531.24 : x
  2. Step 2: Convert to fraction form
    77,373.02/106,735.47 = 50,531.24/x
  3. Step 3: Cross multiply
    77,373.02x = 106,735.47 × 50,531.24
  4. Step 4: Simplify right side
    77,373.02x = 5,393,476,012.67
  5. Step 5: Solve for x
    x = 5,393,476,012.67/77,373.02
  6. Step 6: Final answer
    x = 69,707.45

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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.