Home / 71,117.89-98,145.66-40,903.23

Finding the Fourth Proportional to 71,117.89, 98,145.66 and 40,903.23

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Solution

The fourth proportional to 71,117.89, 98,145.66 and 40,903.23 is: 56,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,117.89 : 98,145.66 = 40,903.23 : x
  2. Step 2: Convert to fraction form
    71,117.89/98,145.66 = 40,903.23/x
  3. Step 3: Cross multiply
    71,117.89x = 98,145.66 × 40,903.23
  4. Step 4: Simplify right side
    71,117.89x = 4,014,474,504.48
  5. Step 5: Solve for x
    x = 4,014,474,504.48/71,117.89
  6. Step 6: Final answer
    x = 56,448.17

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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.