Home / 75,315.42-103,944.15-41,783.58

Finding the Fourth Proportional to 75,315.42, 103,944.15 and 41,783.58

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Solution

The fourth proportional to 75,315.42, 103,944.15 and 41,783.58 is: 57,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,315.42 : 103,944.15 = 41,783.58 : x
  2. Step 2: Convert to fraction form
    75,315.42/103,944.15 = 41,783.58/x
  3. Step 3: Cross multiply
    75,315.42x = 103,944.15 × 41,783.58
  4. Step 4: Simplify right side
    75,315.42x = 4,343,158,707.06
  5. Step 5: Solve for x
    x = 4,343,158,707.06/75,315.42
  6. Step 6: Final answer
    x = 57,666.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.