Home / 52,215.08-72,056.88-28,341.75

Finding the Fourth Proportional to 52,215.08, 72,056.88 and 28,341.75

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Solution

The fourth proportional to 52,215.08, 72,056.88 and 28,341.75 is: 39,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.08 : 72,056.88 = 28,341.75 : x
  2. Step 2: Convert to fraction form
    52,215.08/72,056.88 = 28,341.75/x
  3. Step 3: Cross multiply
    52,215.08x = 72,056.88 × 28,341.75
  4. Step 4: Simplify right side
    52,215.08x = 2,042,218,078.74
  5. Step 5: Solve for x
    x = 2,042,218,078.74/52,215.08
  6. Step 6: Final answer
    x = 39,111.66

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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.