Home / 52,215.09-72,056.90-28,341.77

Finding the Fourth Proportional to 52,215.09, 72,056.90 and 28,341.77

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Solution

The fourth proportional to 52,215.09, 72,056.90 and 28,341.77 is: 39,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.09 : 72,056.90 = 28,341.77 : x
  2. Step 2: Convert to fraction form
    52,215.09/72,056.90 = 28,341.77/x
  3. Step 3: Cross multiply
    52,215.09x = 72,056.90 × 28,341.77
  4. Step 4: Simplify right side
    52,215.09x = 2,042,220,086.71
  5. Step 5: Solve for x
    x = 2,042,220,086.71/52,215.09
  6. Step 6: Final answer
    x = 39,111.68

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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.