Home / 115,210.85-172,845.43-48,616.70

Finding the Fourth Proportional to 115,210.85, 172,845.43 and 48,616.70

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Solution

The fourth proportional to 115,210.85, 172,845.43 and 48,616.70 is: 72,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,210.85 : 172,845.43 = 48,616.70 : x
  2. Step 2: Convert to fraction form
    115,210.85/172,845.43 = 48,616.70/x
  3. Step 3: Cross multiply
    115,210.85x = 172,845.43 × 48,616.70
  4. Step 4: Simplify right side
    115,210.85x = 8,403,173,430.91
  5. Step 5: Solve for x
    x = 8,403,173,430.91/115,210.85
  6. Step 6: Final answer
    x = 72,937.35

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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.