Home / 104,299.02-143,931.25-56,551.34

Finding the Fourth Proportional to 104,299.02, 143,931.25 and 56,551.34

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Solution

The fourth proportional to 104,299.02, 143,931.25 and 56,551.34 is: 78,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,299.02 : 143,931.25 = 56,551.34 : x
  2. Step 2: Convert to fraction form
    104,299.02/143,931.25 = 56,551.34/x
  3. Step 3: Cross multiply
    104,299.02x = 143,931.25 × 56,551.34
  4. Step 4: Simplify right side
    104,299.02x = 8,139,505,055.38
  5. Step 5: Solve for x
    x = 8,139,505,055.38/104,299.02
  6. Step 6: Final answer
    x = 78,040.09

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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.