Home / 82,812.04-114,283.38-45,087.64

Finding the Fourth Proportional to 82,812.04, 114,283.38 and 45,087.64

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Solution

The fourth proportional to 82,812.04, 114,283.38 and 45,087.64 is: 62,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,812.04 : 114,283.38 = 45,087.64 : x
  2. Step 2: Convert to fraction form
    82,812.04/114,283.38 = 45,087.64/x
  3. Step 3: Cross multiply
    82,812.04x = 114,283.38 × 45,087.64
  4. Step 4: Simplify right side
    82,812.04x = 5,152,767,895.42
  5. Step 5: Solve for x
    x = 5,152,767,895.42/82,812.04
  6. Step 6: Final answer
    x = 62,222.45

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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.