Home / 112,948.04-155,873.23-67,617.29

Finding the Fourth Proportional to 112,948.04, 155,873.23 and 67,617.29

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Solution

The fourth proportional to 112,948.04, 155,873.23 and 67,617.29 is: 93,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,948.04 : 155,873.23 = 67,617.29 : x
  2. Step 2: Convert to fraction form
    112,948.04/155,873.23 = 67,617.29/x
  3. Step 3: Cross multiply
    112,948.04x = 155,873.23 × 67,617.29
  4. Step 4: Simplify right side
    112,948.04x = 10,539,725,616.79
  5. Step 5: Solve for x
    x = 10,539,725,616.79/112,948.04
  6. Step 6: Final answer
    x = 93,314.81

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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.