Home / 112,299.63-154,955.86-64,544.05

Finding the Fourth Proportional to 112,299.63, 154,955.86 and 64,544.05

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Solution

The fourth proportional to 112,299.63, 154,955.86 and 64,544.05 is: 89,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,299.63 : 154,955.86 = 64,544.05 : x
  2. Step 2: Convert to fraction form
    112,299.63/154,955.86 = 64,544.05/x
  3. Step 3: Cross multiply
    112,299.63x = 154,955.86 × 64,544.05
  4. Step 4: Simplify right side
    112,299.63x = 10,001,478,775.63
  5. Step 5: Solve for x
    x = 10,001,478,775.63/112,299.63
  6. Step 6: Final answer
    x = 89,060.66

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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.