Home / 115,409.40-173,114.10-59,422.20

Finding the Fourth Proportional to 115,409.40, 173,114.10 and 59,422.20

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Solution

The fourth proportional to 115,409.40, 173,114.10 and 59,422.20 is: 89,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,409.40 : 173,114.10 = 59,422.20 : x
  2. Step 2: Convert to fraction form
    115,409.40/173,114.10 = 59,422.20/x
  3. Step 3: Cross multiply
    115,409.40x = 173,114.10 × 59,422.20
  4. Step 4: Simplify right side
    115,409.40x = 10,286,820,673.02
  5. Step 5: Solve for x
    x = 10,286,820,673.02/115,409.40
  6. Step 6: Final answer
    x = 89,133.30

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1.5x scale

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.