Home / 58,543.56-80,790.08-31,685.99

Finding the Fourth Proportional to 58,543.56, 80,790.08 and 31,685.99

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Solution

The fourth proportional to 58,543.56, 80,790.08 and 31,685.99 is: 43,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.56 : 80,790.08 = 31,685.99 : x
  2. Step 2: Convert to fraction form
    58,543.56/80,790.08 = 31,685.99/x
  3. Step 3: Cross multiply
    58,543.56x = 80,790.08 × 31,685.99
  4. Step 4: Simplify right side
    58,543.56x = 2,559,913,104.60
  5. Step 5: Solve for x
    x = 2,559,913,104.60/58,543.56
  6. Step 6: Final answer
    x = 43,726.64

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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.