Home / 115,783.09-173,671.40-36,902.05

Finding the Fourth Proportional to 115,783.09, 173,671.40 and 36,902.05

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Solution

The fourth proportional to 115,783.09, 173,671.40 and 36,902.05 is: 55,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,783.09 : 173,671.40 = 36,902.05 : x
  2. Step 2: Convert to fraction form
    115,783.09/173,671.40 = 36,902.05/x
  3. Step 3: Cross multiply
    115,783.09x = 173,671.40 × 36,902.05
  4. Step 4: Simplify right side
    115,783.09x = 6,408,830,501.86
  5. Step 5: Solve for x
    x = 6,408,830,501.86/115,783.09
  6. Step 6: Final answer
    x = 55,352.04

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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.