Home / 69,918.24-104,877.12-28,365.12

Finding the Fourth Proportional to 69,918.24, 104,877.12 and 28,365.12

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Solution

The fourth proportional to 69,918.24, 104,877.12 and 28,365.12 is: 42,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,918.24 : 104,877.12 = 28,365.12 : x
  2. Step 2: Convert to fraction form
    69,918.24/104,877.12 = 28,365.12/x
  3. Step 3: Cross multiply
    69,918.24x = 104,877.12 × 28,365.12
  4. Step 4: Simplify right side
    69,918.24x = 2,974,852,094.05
  5. Step 5: Solve for x
    x = 2,974,852,094.05/69,918.24
  6. Step 6: Final answer
    x = 42,547.58

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1.5x scale

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.