Home / 56,612.09-84,898.70-21,561.77

Finding the Fourth Proportional to 56,612.09, 84,898.70 and 21,561.77

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Solution

The fourth proportional to 56,612.09, 84,898.70 and 21,561.77 is: 32,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.09 : 84,898.70 = 21,561.77 : x
  2. Step 2: Convert to fraction form
    56,612.09/84,898.70 = 21,561.77/x
  3. Step 3: Cross multiply
    56,612.09x = 84,898.70 × 21,561.77
  4. Step 4: Simplify right side
    56,612.09x = 1,830,566,134.89
  5. Step 5: Solve for x
    x = 1,830,566,134.89/56,612.09
  6. Step 6: Final answer
    x = 32,335.25

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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.