Home / 72,880.18-100,580.81-41,055.23

Finding the Fourth Proportional to 72,880.18, 100,580.81 and 41,055.23

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Solution

The fourth proportional to 72,880.18, 100,580.81 and 41,055.23 is: 56,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,880.18 : 100,580.81 = 41,055.23 : x
  2. Step 2: Convert to fraction form
    72,880.18/100,580.81 = 41,055.23/x
  3. Step 3: Cross multiply
    72,880.18x = 100,580.81 × 41,055.23
  4. Step 4: Simplify right side
    72,880.18x = 4,129,368,397.83
  5. Step 5: Solve for x
    x = 4,129,368,397.83/72,880.18
  6. Step 6: Final answer
    x = 56,659.69

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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.