Home / 115,206.50-172,877.79-48,642.32

Finding the Fourth Proportional to 115,206.50, 172,877.79 and 48,642.32

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Solution

The fourth proportional to 115,206.50, 172,877.79 and 48,642.32 is: 72,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206.50 : 172,877.79 = 48,642.32 : x
  2. Step 2: Convert to fraction form
    115,206.50/172,877.79 = 48,642.32/x
  3. Step 3: Cross multiply
    115,206.50x = 172,877.79 × 48,642.32
  4. Step 4: Simplify right side
    115,206.50x = 8,409,176,782.07
  5. Step 5: Solve for x
    x = 8,409,176,782.07/115,206.50
  6. Step 6: Final answer
    x = 72,992.21

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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.