Home / 115,263.57-172,895.36-36,433.16

Finding the Fourth Proportional to 115,263.57, 172,895.36 and 36,433.16

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Solution

The fourth proportional to 115,263.57, 172,895.36 and 36,433.16 is: 54,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263.57 : 172,895.36 = 36,433.16 : x
  2. Step 2: Convert to fraction form
    115,263.57/172,895.36 = 36,433.16/x
  3. Step 3: Cross multiply
    115,263.57x = 172,895.36 × 36,433.16
  4. Step 4: Simplify right side
    115,263.57x = 6,299,124,314.14
  5. Step 5: Solve for x
    x = 6,299,124,314.14/115,263.57
  6. Step 6: Final answer
    x = 54,649.74

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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.