Home / 53,206.51-79,810.55-15,770.38

Finding the Fourth Proportional to 53,206.51, 79,810.55 and 15,770.38

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Solution

The fourth proportional to 53,206.51, 79,810.55 and 15,770.38 is: 23,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,206.51 : 79,810.55 = 15,770.38 : x
  2. Step 2: Convert to fraction form
    53,206.51/79,810.55 = 15,770.38/x
  3. Step 3: Cross multiply
    53,206.51x = 79,810.55 × 15,770.38
  4. Step 4: Simplify right side
    53,206.51x = 1,258,642,701.51
  5. Step 5: Solve for x
    x = 1,258,642,701.51/53,206.51
  6. Step 6: Final answer
    x = 23,655.80

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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.