Home / 84,155.40-116,172.90-59,972.04

Finding the Fourth Proportional to 84,155.40, 116,172.90 and 59,972.04

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Solution

The fourth proportional to 84,155.40, 116,172.90 and 59,972.04 is: 82,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,155.40 : 116,172.90 = 59,972.04 : x
  2. Step 2: Convert to fraction form
    84,155.40/116,172.90 = 59,972.04/x
  3. Step 3: Cross multiply
    84,155.40x = 116,172.90 × 59,972.04
  4. Step 4: Simplify right side
    84,155.40x = 6,967,125,805.72
  5. Step 5: Solve for x
    x = 6,967,125,805.72/84,155.40
  6. Step 6: Final answer
    x = 82,788.81

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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.