Home / 112,047-154,628.10-61,749.24

Finding the Fourth Proportional to 112,047, 154,628.10 and 61,749.24

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Solution

The fourth proportional to 112,047, 154,628.10 and 61,749.24 is: 85,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,047 : 154,628.10 = 61,749.24 : x
  2. Step 2: Convert to fraction form
    112,047/154,628.10 = 61,749.24/x
  3. Step 3: Cross multiply
    112,047x = 154,628.10 × 61,749.24
  4. Step 4: Simplify right side
    112,047x = 9,548,167,657.64
  5. Step 5: Solve for x
    x = 9,548,167,657.64/112,047
  6. Step 6: Final answer
    x = 85,215.74

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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.