Home / 52,623.69-78,551.65-45,980.61

Finding the Fourth Proportional to 52,623.69, 78,551.65 and 45,980.61

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Solution

The fourth proportional to 52,623.69, 78,551.65 and 45,980.61 is: 68,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,623.69 : 78,551.65 = 45,980.61 : x
  2. Step 2: Convert to fraction form
    52,623.69/78,551.65 = 45,980.61/x
  3. Step 3: Cross multiply
    52,623.69x = 78,551.65 × 45,980.61
  4. Step 4: Simplify right side
    52,623.69x = 3,611,852,783.51
  5. Step 5: Solve for x
    x = 3,611,852,783.51/52,623.69
  6. Step 6: Final answer
    x = 68,635.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.