Home / 70,427.38-105,568.98-30,977.14

Finding the Fourth Proportional to 70,427.38, 105,568.98 and 30,977.14

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Solution

The fourth proportional to 70,427.38, 105,568.98 and 30,977.14 is: 46,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,427.38 : 105,568.98 = 30,977.14 : x
  2. Step 2: Convert to fraction form
    70,427.38/105,568.98 = 30,977.14/x
  3. Step 3: Cross multiply
    70,427.38x = 105,568.98 × 30,977.14
  4. Step 4: Simplify right side
    70,427.38x = 3,270,225,073.12
  5. Step 5: Solve for x
    x = 3,270,225,073.12/70,427.38
  6. Step 6: Final answer
    x = 46,434.00

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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.