Home / 51,985.27-77,923.64-37,719.28

Finding the Fourth Proportional to 51,985.27, 77,923.64 and 37,719.28

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Solution

The fourth proportional to 51,985.27, 77,923.64 and 37,719.28 is: 56,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.27 : 77,923.64 = 37,719.28 : x
  2. Step 2: Convert to fraction form
    51,985.27/77,923.64 = 37,719.28/x
  3. Step 3: Cross multiply
    51,985.27x = 77,923.64 × 37,719.28
  4. Step 4: Simplify right side
    51,985.27x = 2,939,223,407.18
  5. Step 5: Solve for x
    x = 2,939,223,407.18/51,985.27
  6. Step 6: Final answer
    x = 56,539.54

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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.