Home / 83,548.67-115,303.50-47,740.19

Finding the Fourth Proportional to 83,548.67, 115,303.50 and 47,740.19

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Solution

The fourth proportional to 83,548.67, 115,303.50 and 47,740.19 is: 65,885.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.67 : 115,303.50 = 47,740.19 : x
  2. Step 2: Convert to fraction form
    83,548.67/115,303.50 = 47,740.19/x
  3. Step 3: Cross multiply
    83,548.67x = 115,303.50 × 47,740.19
  4. Step 4: Simplify right side
    83,548.67x = 5,504,610,421.15
  5. Step 5: Solve for x
    x = 5,504,610,421.15/83,548.67
  6. Step 6: Final answer
    x = 65,885.08

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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.