Home / 113,757.81-157,038.92-66,002.84

Finding the Fourth Proportional to 113,757.81, 157,038.92 and 66,002.84

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Solution

The fourth proportional to 113,757.81, 157,038.92 and 66,002.84 is: 91,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,757.81 : 157,038.92 = 66,002.84 : x
  2. Step 2: Convert to fraction form
    113,757.81/157,038.92 = 66,002.84/x
  3. Step 3: Cross multiply
    113,757.81x = 157,038.92 × 66,002.84
  4. Step 4: Simplify right side
    113,757.81x = 10,365,014,710.53
  5. Step 5: Solve for x
    x = 10,365,014,710.53/113,757.81
  6. Step 6: Final answer
    x = 91,114.75

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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.