Home / 104,055.23-143,602.72-58,740.89

Finding the Fourth Proportional to 104,055.23, 143,602.72 and 58,740.89

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Solution

The fourth proportional to 104,055.23, 143,602.72 and 58,740.89 is: 81,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,055.23 : 143,602.72 = 58,740.89 : x
  2. Step 2: Convert to fraction form
    104,055.23/143,602.72 = 58,740.89/x
  3. Step 3: Cross multiply
    104,055.23x = 143,602.72 × 58,740.89
  4. Step 4: Simplify right side
    104,055.23x = 8,435,351,073.36
  5. Step 5: Solve for x
    x = 8,435,351,073.36/104,055.23
  6. Step 6: Final answer
    x = 81,066.10

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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.