Home / 104,840.80-144,681.24-57,094.36

Finding the Fourth Proportional to 104,840.80, 144,681.24 and 57,094.36

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Solution

The fourth proportional to 104,840.80, 144,681.24 and 57,094.36 is: 78,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,840.80 : 144,681.24 = 57,094.36 : x
  2. Step 2: Convert to fraction form
    104,840.80/144,681.24 = 57,094.36/x
  3. Step 3: Cross multiply
    104,840.80x = 144,681.24 × 57,094.36
  4. Step 4: Simplify right side
    104,840.80x = 8,260,482,801.81
  5. Step 5: Solve for x
    x = 8,260,482,801.81/104,840.80
  6. Step 6: Final answer
    x = 78,790.73

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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.