Home / 112,708.06-155,501.85-64,954.88

Finding the Fourth Proportional to 112,708.06, 155,501.85 and 64,954.88

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Solution

The fourth proportional to 112,708.06, 155,501.85 and 64,954.88 is: 89,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,708.06 : 155,501.85 = 64,954.88 : x
  2. Step 2: Convert to fraction form
    112,708.06/155,501.85 = 64,954.88/x
  3. Step 3: Cross multiply
    112,708.06x = 155,501.85 × 64,954.88
  4. Step 4: Simplify right side
    112,708.06x = 10,100,604,006.53
  5. Step 5: Solve for x
    x = 10,100,604,006.53/112,708.06
  6. Step 6: Final answer
    x = 89,617.41

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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.