Home / 112,932.98-155,847.73-61,946.13

Finding the Fourth Proportional to 112,932.98, 155,847.73 and 61,946.13

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Solution

The fourth proportional to 112,932.98, 155,847.73 and 61,946.13 is: 85,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.98 : 155,847.73 = 61,946.13 : x
  2. Step 2: Convert to fraction form
    112,932.98/155,847.73 = 61,946.13/x
  3. Step 3: Cross multiply
    112,932.98x = 155,847.73 × 61,946.13
  4. Step 4: Simplify right side
    112,932.98x = 9,654,163,411.85
  5. Step 5: Solve for x
    x = 9,654,163,411.85/112,932.98
  6. Step 6: Final answer
    x = 85,485.77

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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.