Home / 112,043.40-168,032.70-40,957.80

Finding the Fourth Proportional to 112,043.40, 168,032.70 and 40,957.80

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Solution

The fourth proportional to 112,043.40, 168,032.70 and 40,957.80 is: 61,424.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.40 : 168,032.70 = 40,957.80 : x
  2. Step 2: Convert to fraction form
    112,043.40/168,032.70 = 40,957.80/x
  3. Step 3: Cross multiply
    112,043.40x = 168,032.70 × 40,957.80
  4. Step 4: Simplify right side
    112,043.40x = 6,882,249,720.06
  5. Step 5: Solve for x
    x = 6,882,249,720.06/112,043.40
  6. Step 6: Final answer
    x = 61,424.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.