Home / 123,307.86-170,165.43-69,595.14

Finding the Fourth Proportional to 123,307.86, 170,165.43 and 69,595.14

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Solution

The fourth proportional to 123,307.86, 170,165.43 and 69,595.14 is: 96,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,307.86 : 170,165.43 = 69,595.14 : x
  2. Step 2: Convert to fraction form
    123,307.86/170,165.43 = 69,595.14/x
  3. Step 3: Cross multiply
    123,307.86x = 170,165.43 × 69,595.14
  4. Step 4: Simplify right side
    123,307.86x = 11,842,686,924.01
  5. Step 5: Solve for x
    x = 11,842,686,924.01/123,307.86
  6. Step 6: Final answer
    x = 96,041.62

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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.