Home / 77,103.04-106,361.15-46,897.60

Finding the Fourth Proportional to 77,103.04, 106,361.15 and 46,897.60

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Solution

The fourth proportional to 77,103.04, 106,361.15 and 46,897.60 is: 64,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,103.04 : 106,361.15 = 46,897.60 : x
  2. Step 2: Convert to fraction form
    77,103.04/106,361.15 = 46,897.60/x
  3. Step 3: Cross multiply
    77,103.04x = 106,361.15 × 46,897.60
  4. Step 4: Simplify right side
    77,103.04x = 4,988,082,785.48
  5. Step 5: Solve for x
    x = 4,988,082,785.48/77,103.04
  6. Step 6: Final answer
    x = 64,693.72

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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.