Home / 112,010.58-154,574.64-61,709.58

Finding the Fourth Proportional to 112,010.58, 154,574.64 and 61,709.58

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Solution

The fourth proportional to 112,010.58, 154,574.64 and 61,709.58 is: 85,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.58 : 154,574.64 = 61,709.58 : x
  2. Step 2: Convert to fraction form
    112,010.58/154,574.64 = 61,709.58/x
  3. Step 3: Cross multiply
    112,010.58x = 154,574.64 × 61,709.58
  4. Step 4: Simplify right side
    112,010.58x = 9,538,736,113.05
  5. Step 5: Solve for x
    x = 9,538,736,113.05/112,010.58
  6. Step 6: Final answer
    x = 85,159.24

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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.