Home / 104,622.84-144,379.08-56,876.40

Finding the Fourth Proportional to 104,622.84, 144,379.08 and 56,876.40

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Solution

The fourth proportional to 104,622.84, 144,379.08 and 56,876.40 is: 78,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.84 : 144,379.08 = 56,876.40 : x
  2. Step 2: Convert to fraction form
    104,622.84/144,379.08 = 56,876.40/x
  3. Step 3: Cross multiply
    104,622.84x = 144,379.08 × 56,876.40
  4. Step 4: Simplify right side
    104,622.84x = 8,211,762,305.71
  5. Step 5: Solve for x
    x = 8,211,762,305.71/104,622.84
  6. Step 6: Final answer
    x = 78,489.19

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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.