Home / 53,741.04-74,161.06-30,770.09

Finding the Fourth Proportional to 53,741.04, 74,161.06 and 30,770.09

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Solution

The fourth proportional to 53,741.04, 74,161.06 and 30,770.09 is: 42,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,741.04 : 74,161.06 = 30,770.09 : x
  2. Step 2: Convert to fraction form
    53,741.04/74,161.06 = 30,770.09/x
  3. Step 3: Cross multiply
    53,741.04x = 74,161.06 × 30,770.09
  4. Step 4: Simplify right side
    53,741.04x = 2,281,942,307.83
  5. Step 5: Solve for x
    x = 2,281,942,307.83/53,741.04
  6. Step 6: Final answer
    x = 42,461.82

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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.