Home / 73,953.12-102,055.04-40,419.12

Finding the Fourth Proportional to 73,953.12, 102,055.04 and 40,419.12

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Solution

The fourth proportional to 73,953.12, 102,055.04 and 40,419.12 is: 55,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,953.12 : 102,055.04 = 40,419.12 : x
  2. Step 2: Convert to fraction form
    73,953.12/102,055.04 = 40,419.12/x
  3. Step 3: Cross multiply
    73,953.12x = 102,055.04 × 40,419.12
  4. Step 4: Simplify right side
    73,953.12x = 4,124,974,908.36
  5. Step 5: Solve for x
    x = 4,124,974,908.36/73,953.12
  6. Step 6: Final answer
    x = 55,778.24

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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.