Home / 71,785.17-99,054.63-41,570.01

Finding the Fourth Proportional to 71,785.17, 99,054.63 and 41,570.01

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Solution

The fourth proportional to 71,785.17, 99,054.63 and 41,570.01 is: 57,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,785.17 : 99,054.63 = 41,570.01 : x
  2. Step 2: Convert to fraction form
    71,785.17/99,054.63 = 41,570.01/x
  3. Step 3: Cross multiply
    71,785.17x = 99,054.63 × 41,570.01
  4. Step 4: Simplify right side
    71,785.17x = 4,117,701,959.65
  5. Step 5: Solve for x
    x = 4,117,701,959.65/71,785.17
  6. Step 6: Final answer
    x = 57,361.46

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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.