Home / 66,089.69-91,202.32-35,875.07

Finding the Fourth Proportional to 66,089.69, 91,202.32 and 35,875.07

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Solution

The fourth proportional to 66,089.69, 91,202.32 and 35,875.07 is: 49,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.69 : 91,202.32 = 35,875.07 : x
  2. Step 2: Convert to fraction form
    66,089.69/91,202.32 = 35,875.07/x
  3. Step 3: Cross multiply
    66,089.69x = 91,202.32 × 35,875.07
  4. Step 4: Simplify right side
    66,089.69x = 3,271,889,614.16
  5. Step 5: Solve for x
    x = 3,271,889,614.16/66,089.69
  6. Step 6: Final answer
    x = 49,506.81

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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.