Home / 111,625.04-154,045.12-60,639.80

Finding the Fourth Proportional to 111,625.04, 154,045.12 and 60,639.80

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Solution

The fourth proportional to 111,625.04, 154,045.12 and 60,639.80 is: 83,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,625.04 : 154,045.12 = 60,639.80 : x
  2. Step 2: Convert to fraction form
    111,625.04/154,045.12 = 60,639.80/x
  3. Step 3: Cross multiply
    111,625.04x = 154,045.12 × 60,639.80
  4. Step 4: Simplify right side
    111,625.04x = 9,341,265,267.78
  5. Step 5: Solve for x
    x = 9,341,265,267.78/111,625.04
  6. Step 6: Final answer
    x = 83,684.32

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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.