Home / 123,965.64-171,077.67-70,250.09

Finding the Fourth Proportional to 123,965.64, 171,077.67 and 70,250.09

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Solution

The fourth proportional to 123,965.64, 171,077.67 and 70,250.09 is: 96,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,965.64 : 171,077.67 = 70,250.09 : x
  2. Step 2: Convert to fraction form
    123,965.64/171,077.67 = 70,250.09/x
  3. Step 3: Cross multiply
    123,965.64x = 171,077.67 × 70,250.09
  4. Step 4: Simplify right side
    123,965.64x = 12,018,220,859.10
  5. Step 5: Solve for x
    x = 12,018,220,859.10/123,965.64
  6. Step 6: Final answer
    x = 96,948.00

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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.