Home / 74,923.20-112,384.80-46,929.60

Finding the Fourth Proportional to 74,923.20, 112,384.80 and 46,929.60

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Solution

The fourth proportional to 74,923.20, 112,384.80 and 46,929.60 is: 70,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.20 : 112,384.80 = 46,929.60 : x
  2. Step 2: Convert to fraction form
    74,923.20/112,384.80 = 46,929.60/x
  3. Step 3: Cross multiply
    74,923.20x = 112,384.80 × 46,929.60
  4. Step 4: Simplify right side
    74,923.20x = 5,274,173,710.08
  5. Step 5: Solve for x
    x = 5,274,173,710.08/74,923.20
  6. Step 6: Final answer
    x = 70,394.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.