Home / 112,020.47-154,587.39-61,033.04

Finding the Fourth Proportional to 112,020.47, 154,587.39 and 61,033.04

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Solution

The fourth proportional to 112,020.47, 154,587.39 and 61,033.04 is: 84,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.47 : 154,587.39 = 61,033.04 : x
  2. Step 2: Convert to fraction form
    112,020.47/154,587.39 = 61,033.04/x
  3. Step 3: Cross multiply
    112,020.47x = 154,587.39 × 61,033.04
  4. Step 4: Simplify right side
    112,020.47x = 9,434,938,357.37
  5. Step 5: Solve for x
    x = 9,434,938,357.37/112,020.47
  6. Step 6: Final answer
    x = 84,225.13

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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.