Home / 76,547.40-114,840.49-54,102.23

Finding the Fourth Proportional to 76,547.40, 114,840.49 and 54,102.23

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Solution

The fourth proportional to 76,547.40, 114,840.49 and 54,102.23 is: 81,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,547.40 : 114,840.49 = 54,102.23 : x
  2. Step 2: Convert to fraction form
    76,547.40/114,840.49 = 54,102.23/x
  3. Step 3: Cross multiply
    76,547.40x = 114,840.49 × 54,102.23
  4. Step 4: Simplify right side
    76,547.40x = 6,213,126,603.29
  5. Step 5: Solve for x
    x = 6,213,126,603.29/76,547.40
  6. Step 6: Final answer
    x = 81,167.05

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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.