Home / 105,047.04-157,550.08-31,175.68

Finding the Fourth Proportional to 105,047.04, 157,550.08 and 31,175.68

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Solution

The fourth proportional to 105,047.04, 157,550.08 and 31,175.68 is: 46,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,047.04 : 157,550.08 = 31,175.68 : x
  2. Step 2: Convert to fraction form
    105,047.04/157,550.08 = 31,175.68/x
  3. Step 3: Cross multiply
    105,047.04x = 157,550.08 × 31,175.68
  4. Step 4: Simplify right side
    105,047.04x = 4,911,730,878.05
  5. Step 5: Solve for x
    x = 4,911,730,878.05/105,047.04
  6. Step 6: Final answer
    x = 46,757.44

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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.