Home / 74,528.02-111,660.81-66,392.38

Finding the Fourth Proportional to 74,528.02, 111,660.81 and 66,392.38

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Solution

The fourth proportional to 74,528.02, 111,660.81 and 66,392.38 is: 99,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.02 : 111,660.81 = 66,392.38 : x
  2. Step 2: Convert to fraction form
    74,528.02/111,660.81 = 66,392.38/x
  3. Step 3: Cross multiply
    74,528.02x = 111,660.81 × 66,392.38
  4. Step 4: Simplify right side
    74,528.02x = 7,413,426,928.63
  5. Step 5: Solve for x
    x = 7,413,426,928.63/74,528.02
  6. Step 6: Final answer
    x = 99,471.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.