Home / 112,039.02-154,606.57-61,738.02

Finding the Fourth Proportional to 112,039.02, 154,606.57 and 61,738.02

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Solution

The fourth proportional to 112,039.02, 154,606.57 and 61,738.02 is: 85,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,039.02 : 154,606.57 = 61,738.02 : x
  2. Step 2: Convert to fraction form
    112,039.02/154,606.57 = 61,738.02/x
  3. Step 3: Cross multiply
    112,039.02x = 154,606.57 × 61,738.02
  4. Step 4: Simplify right side
    112,039.02x = 9,545,103,510.79
  5. Step 5: Solve for x
    x = 9,545,103,510.79/112,039.02
  6. Step 6: Final answer
    x = 85,194.46

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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.