Home / 123,584.90-170,547.54-66,996.32

Finding the Fourth Proportional to 123,584.90, 170,547.54 and 66,996.32

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Solution

The fourth proportional to 123,584.90, 170,547.54 and 66,996.32 is: 92,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,584.90 : 170,547.54 = 66,996.32 : x
  2. Step 2: Convert to fraction form
    123,584.90/170,547.54 = 66,996.32/x
  3. Step 3: Cross multiply
    123,584.90x = 170,547.54 × 66,996.32
  4. Step 4: Simplify right side
    123,584.90x = 11,426,057,565.05
  5. Step 5: Solve for x
    x = 11,426,057,565.05/123,584.90
  6. Step 6: Final answer
    x = 92,455.13

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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.