Home / 55,907.18-77,151.92-30,756.68

Finding the Fourth Proportional to 55,907.18, 77,151.92 and 30,756.68

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Solution

The fourth proportional to 55,907.18, 77,151.92 and 30,756.68 is: 42,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,907.18 : 77,151.92 = 30,756.68 : x
  2. Step 2: Convert to fraction form
    55,907.18/77,151.92 = 30,756.68/x
  3. Step 3: Cross multiply
    55,907.18x = 77,151.92 × 30,756.68
  4. Step 4: Simplify right side
    55,907.18x = 2,372,936,914.83
  5. Step 5: Solve for x
    x = 2,372,936,914.83/55,907.18
  6. Step 6: Final answer
    x = 42,444.22

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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.