Home / 104,427.69-144,110.34-56,681.03

Finding the Fourth Proportional to 104,427.69, 144,110.34 and 56,681.03

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Solution

The fourth proportional to 104,427.69, 144,110.34 and 56,681.03 is: 78,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.69 : 144,110.34 = 56,681.03 : x
  2. Step 2: Convert to fraction form
    104,427.69/144,110.34 = 56,681.03/x
  3. Step 3: Cross multiply
    104,427.69x = 144,110.34 × 56,681.03
  4. Step 4: Simplify right side
    104,427.69x = 8,168,321,784.30
  5. Step 5: Solve for x
    x = 8,168,321,784.30/104,427.69
  6. Step 6: Final answer
    x = 78,219.88

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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.