Home / 112,084.14-154,677.15-61,784.94

Finding the Fourth Proportional to 112,084.14, 154,677.15 and 61,784.94

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Solution

The fourth proportional to 112,084.14, 154,677.15 and 61,784.94 is: 85,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,084.14 : 154,677.15 = 61,784.94 : x
  2. Step 2: Convert to fraction form
    112,084.14/154,677.15 = 61,784.94/x
  3. Step 3: Cross multiply
    112,084.14x = 154,677.15 × 61,784.94
  4. Step 4: Simplify right side
    112,084.14x = 9,556,718,432.12
  5. Step 5: Solve for x
    x = 9,556,718,432.12/112,084.14
  6. Step 6: Final answer
    x = 85,263.79

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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.