Home / 56,727.81-85,080.74-21,659.13

Finding the Fourth Proportional to 56,727.81, 85,080.74 and 21,659.13

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Solution

The fourth proportional to 56,727.81, 85,080.74 and 21,659.13 is: 32,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,727.81 : 85,080.74 = 21,659.13 : x
  2. Step 2: Convert to fraction form
    56,727.81/85,080.74 = 21,659.13/x
  3. Step 3: Cross multiply
    56,727.81x = 85,080.74 × 21,659.13
  4. Step 4: Simplify right side
    56,727.81x = 1,842,774,699.86
  5. Step 5: Solve for x
    x = 1,842,774,699.86/56,727.81
  6. Step 6: Final answer
    x = 32,484.50

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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.