Home / 112,010.54-154,574.51-61,709.54

Finding the Fourth Proportional to 112,010.54, 154,574.51 and 61,709.54

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Solution

The fourth proportional to 112,010.54, 154,574.51 and 61,709.54 is: 85,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.54 : 154,574.51 = 61,709.54 : x
  2. Step 2: Convert to fraction form
    112,010.54/154,574.51 = 61,709.54/x
  3. Step 3: Cross multiply
    112,010.54x = 154,574.51 × 61,709.54
  4. Step 4: Simplify right side
    112,010.54x = 9,538,720,826.41
  5. Step 5: Solve for x
    x = 9,538,720,826.41/112,010.54
  6. Step 6: Final answer
    x = 85,159.14

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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.