Home / 112,423.04-155,144.40-62,122.04

Finding the Fourth Proportional to 112,423.04, 155,144.40 and 62,122.04

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Solution

The fourth proportional to 112,423.04, 155,144.40 and 62,122.04 is: 85,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,423.04 : 155,144.40 = 62,122.04 : x
  2. Step 2: Convert to fraction form
    112,423.04/155,144.40 = 62,122.04/x
  3. Step 3: Cross multiply
    112,423.04x = 155,144.40 × 62,122.04
  4. Step 4: Simplify right side
    112,423.04x = 9,637,886,622.58
  5. Step 5: Solve for x
    x = 9,637,886,622.58/112,423.04
  6. Step 6: Final answer
    x = 85,728.75

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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.