Home / 55,700.91-76,866.21-31,501.46

Finding the Fourth Proportional to 55,700.91, 76,866.21 and 31,501.46

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Solution

The fourth proportional to 55,700.91, 76,866.21 and 31,501.46 is: 43,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,700.91 : 76,866.21 = 31,501.46 : x
  2. Step 2: Convert to fraction form
    55,700.91/76,866.21 = 31,501.46/x
  3. Step 3: Cross multiply
    55,700.91x = 76,866.21 × 31,501.46
  4. Step 4: Simplify right side
    55,700.91x = 2,421,397,455.34
  5. Step 5: Solve for x
    x = 2,421,397,455.34/55,700.91
  6. Step 6: Final answer
    x = 43,471.42

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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.