Home / 79,036.84-118,493.34-39,574.12

Finding the Fourth Proportional to 79,036.84, 118,493.34 and 39,574.12

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Solution

The fourth proportional to 79,036.84, 118,493.34 and 39,574.12 is: 59,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.84 : 118,493.34 = 39,574.12 : x
  2. Step 2: Convert to fraction form
    79,036.84/118,493.34 = 39,574.12/x
  3. Step 3: Cross multiply
    79,036.84x = 118,493.34 × 39,574.12
  4. Step 4: Simplify right side
    79,036.84x = 4,689,269,656.36
  5. Step 5: Solve for x
    x = 4,689,269,656.36/79,036.84
  6. Step 6: Final answer
    x = 59,330.18

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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.