Home / 61,189.40-84,437.16-34,329.80

Finding the Fourth Proportional to 61,189.40, 84,437.16 and 34,329.80

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Solution

The fourth proportional to 61,189.40, 84,437.16 and 34,329.80 is: 47,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.40 : 84,437.16 = 34,329.80 : x
  2. Step 2: Convert to fraction form
    61,189.40/84,437.16 = 34,329.80/x
  3. Step 3: Cross multiply
    61,189.40x = 84,437.16 × 34,329.80
  4. Step 4: Simplify right side
    61,189.40x = 2,898,710,815.37
  5. Step 5: Solve for x
    x = 2,898,710,815.37/61,189.40
  6. Step 6: Final answer
    x = 47,372.76

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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.