Home / 53,017.42-79,513.01-31,675.96

Finding the Fourth Proportional to 53,017.42, 79,513.01 and 31,675.96

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Solution

The fourth proportional to 53,017.42, 79,513.01 and 31,675.96 is: 47,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.42 : 79,513.01 = 31,675.96 : x
  2. Step 2: Convert to fraction form
    53,017.42/79,513.01 = 31,675.96/x
  3. Step 3: Cross multiply
    53,017.42x = 79,513.01 × 31,675.96
  4. Step 4: Simplify right side
    53,017.42x = 2,518,650,368.29
  5. Step 5: Solve for x
    x = 2,518,650,368.29/53,017.42
  6. Step 6: Final answer
    x = 47,506.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.