Home / 52,887.12-72,985.20-29,012.34

Finding the Fourth Proportional to 52,887.12, 72,985.20 and 29,012.34

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Solution

The fourth proportional to 52,887.12, 72,985.20 and 29,012.34 is: 40,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.12 : 72,985.20 = 29,012.34 : x
  2. Step 2: Convert to fraction form
    52,887.12/72,985.20 = 29,012.34/x
  3. Step 3: Cross multiply
    52,887.12x = 72,985.20 × 29,012.34
  4. Step 4: Simplify right side
    52,887.12x = 2,117,471,437.37
  5. Step 5: Solve for x
    x = 2,117,471,437.37/52,887.12
  6. Step 6: Final answer
    x = 40,037.56

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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.