Home / 112,907.25-155,836.31-67,595.34

Finding the Fourth Proportional to 112,907.25, 155,836.31 and 67,595.34

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Solution

The fourth proportional to 112,907.25, 155,836.31 and 67,595.34 is: 93,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,907.25 : 155,836.31 = 67,595.34 : x
  2. Step 2: Convert to fraction form
    112,907.25/155,836.31 = 67,595.34/x
  3. Step 3: Cross multiply
    112,907.25x = 155,836.31 × 67,595.34
  4. Step 4: Simplify right side
    112,907.25x = 10,533,808,605.20
  5. Step 5: Solve for x
    x = 10,533,808,605.20/112,907.25
  6. Step 6: Final answer
    x = 93,296.12

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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.