Home / 56,977.99-78,629.63-31,827.49

Finding the Fourth Proportional to 56,977.99, 78,629.63 and 31,827.49

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Solution

The fourth proportional to 56,977.99, 78,629.63 and 31,827.49 is: 43,921.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,977.99 : 78,629.63 = 31,827.49 : x
  2. Step 2: Convert to fraction form
    56,977.99/78,629.63 = 31,827.49/x
  3. Step 3: Cross multiply
    56,977.99x = 78,629.63 × 31,827.49
  4. Step 4: Simplify right side
    56,977.99x = 2,502,583,968.46
  5. Step 5: Solve for x
    x = 2,502,583,968.46/56,977.99
  6. Step 6: Final answer
    x = 43,921.94

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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.