Home / 123,496.37-170,425.16-66,907.74

Finding the Fourth Proportional to 123,496.37, 170,425.16 and 66,907.74

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Solution

The fourth proportional to 123,496.37, 170,425.16 and 66,907.74 is: 92,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,496.37 : 170,425.16 = 66,907.74 : x
  2. Step 2: Convert to fraction form
    123,496.37/170,425.16 = 66,907.74/x
  3. Step 3: Cross multiply
    123,496.37x = 170,425.16 × 66,907.74
  4. Step 4: Simplify right side
    123,496.37x = 11,402,762,386.26
  5. Step 5: Solve for x
    x = 11,402,762,386.26/123,496.37
  6. Step 6: Final answer
    x = 92,332.78

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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.