Home / 77,459.36-106,880.85-45,634.59

Finding the Fourth Proportional to 77,459.36, 106,880.85 and 45,634.59

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Solution

The fourth proportional to 77,459.36, 106,880.85 and 45,634.59 is: 62,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,459.36 : 106,880.85 = 45,634.59 : x
  2. Step 2: Convert to fraction form
    77,459.36/106,880.85 = 45,634.59/x
  3. Step 3: Cross multiply
    77,459.36x = 106,880.85 × 45,634.59
  4. Step 4: Simplify right side
    77,459.36x = 4,877,463,768.60
  5. Step 5: Solve for x
    x = 4,877,463,768.60/77,459.36
  6. Step 6: Final answer
    x = 62,968.04

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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.