Home / 63,421.14-87,488.00-39,214.37

Finding the Fourth Proportional to 63,421.14, 87,488.00 and 39,214.37

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Solution

The fourth proportional to 63,421.14, 87,488.00 and 39,214.37 is: 54,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.14 : 87,488.00 = 39,214.37 : x
  2. Step 2: Convert to fraction form
    63,421.14/87,488.00 = 39,214.37/x
  3. Step 3: Cross multiply
    63,421.14x = 87,488.00 × 39,214.37
  4. Step 4: Simplify right side
    63,421.14x = 3,430,786,972.26
  5. Step 5: Solve for x
    x = 3,430,786,972.26/63,421.14
  6. Step 6: Final answer
    x = 54,095.32

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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.