Home / 104,298.89-143,931.08-56,551.22

Finding the Fourth Proportional to 104,298.89, 143,931.08 and 56,551.22

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Solution

The fourth proportional to 104,298.89, 143,931.08 and 56,551.22 is: 78,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,298.89 : 143,931.08 = 56,551.22 : x
  2. Step 2: Convert to fraction form
    104,298.89/143,931.08 = 56,551.22/x
  3. Step 3: Cross multiply
    104,298.89x = 143,931.08 × 56,551.22
  4. Step 4: Simplify right side
    104,298.89x = 8,139,477,591.64
  5. Step 5: Solve for x
    x = 8,139,477,591.64/104,298.89
  6. Step 6: Final answer
    x = 78,039.92

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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.