Home / 102,055.05-140,847.63-56,737.53

Finding the Fourth Proportional to 102,055.05, 140,847.63 and 56,737.53

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Solution

The fourth proportional to 102,055.05, 140,847.63 and 56,737.53 is: 78,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,055.05 : 140,847.63 = 56,737.53 : x
  2. Step 2: Convert to fraction form
    102,055.05/140,847.63 = 56,737.53/x
  3. Step 3: Cross multiply
    102,055.05x = 140,847.63 × 56,737.53
  4. Step 4: Simplify right side
    102,055.05x = 7,991,346,632.55
  5. Step 5: Solve for x
    x = 7,991,346,632.55/102,055.05
  6. Step 6: Final answer
    x = 78,304.27

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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.