Home / 107,667.20-148,547.30-61,092.43

Finding the Fourth Proportional to 107,667.20, 148,547.30 and 61,092.43

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Solution

The fourth proportional to 107,667.20, 148,547.30 and 61,092.43 is: 84,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,667.20 : 148,547.30 = 61,092.43 : x
  2. Step 2: Convert to fraction form
    107,667.20/148,547.30 = 61,092.43/x
  3. Step 3: Cross multiply
    107,667.20x = 148,547.30 × 61,092.43
  4. Step 4: Simplify right side
    107,667.20x = 9,075,114,850.11
  5. Step 5: Solve for x
    x = 9,075,114,850.11/107,667.20
  6. Step 6: Final answer
    x = 84,288.57

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1.5x scale

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.