Home / 69,654.02-96,124.53-40,975.79

Finding the Fourth Proportional to 69,654.02, 96,124.53 and 40,975.79

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Solution

The fourth proportional to 69,654.02, 96,124.53 and 40,975.79 is: 56,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,654.02 : 96,124.53 = 40,975.79 : x
  2. Step 2: Convert to fraction form
    69,654.02/96,124.53 = 40,975.79/x
  3. Step 3: Cross multiply
    69,654.02x = 96,124.53 × 40,975.79
  4. Step 4: Simplify right side
    69,654.02x = 3,938,778,555.13
  5. Step 5: Solve for x
    x = 3,938,778,555.13/69,654.02
  6. Step 6: Final answer
    x = 56,547.76

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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.