Home / 87,703.04-120,950.80-57,477.52

Finding the Fourth Proportional to 87,703.04, 120,950.80 and 57,477.52

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Solution

The fourth proportional to 87,703.04, 120,950.80 and 57,477.52 is: 79,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,703.04 : 120,950.80 = 57,477.52 : x
  2. Step 2: Convert to fraction form
    87,703.04/120,950.80 = 57,477.52/x
  3. Step 3: Cross multiply
    87,703.04x = 120,950.80 × 57,477.52
  4. Step 4: Simplify right side
    87,703.04x = 6,951,952,026.02
  5. Step 5: Solve for x
    x = 6,951,952,026.02/87,703.04
  6. Step 6: Final answer
    x = 79,266.94

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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.