Home / 77,686.12-116,535.84-33,302.35

Finding the Fourth Proportional to 77,686.12, 116,535.84 and 33,302.35

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Solution

The fourth proportional to 77,686.12, 116,535.84 and 33,302.35 is: 49,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,686.12 : 116,535.84 = 33,302.35 : x
  2. Step 2: Convert to fraction form
    77,686.12/116,535.84 = 33,302.35/x
  3. Step 3: Cross multiply
    77,686.12x = 116,535.84 × 33,302.35
  4. Step 4: Simplify right side
    77,686.12x = 3,880,917,331.22
  5. Step 5: Solve for x
    x = 3,880,917,331.22/77,686.12
  6. Step 6: Final answer
    x = 49,956.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.