Home / 107,333.49-148,120.74-67,070.64

Finding the Fourth Proportional to 107,333.49, 148,120.74 and 67,070.64

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Solution

The fourth proportional to 107,333.49, 148,120.74 and 67,070.64 is: 92,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,333.49 : 148,120.74 = 67,070.64 : x
  2. Step 2: Convert to fraction form
    107,333.49/148,120.74 = 67,070.64/x
  3. Step 3: Cross multiply
    107,333.49x = 148,120.74 × 67,070.64
  4. Step 4: Simplify right side
    107,333.49x = 9,934,552,829.07
  5. Step 5: Solve for x
    x = 9,934,552,829.07/107,333.49
  6. Step 6: Final answer
    x = 92,557.81

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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.