Home / 63,021.40-86,969.55-34,341.07

Finding the Fourth Proportional to 63,021.40, 86,969.55 and 34,341.07

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Solution

The fourth proportional to 63,021.40, 86,969.55 and 34,341.07 is: 47,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.40 : 86,969.55 = 34,341.07 : x
  2. Step 2: Convert to fraction form
    63,021.40/86,969.55 = 34,341.07/x
  3. Step 3: Cross multiply
    63,021.40x = 86,969.55 × 34,341.07
  4. Step 4: Simplify right side
    63,021.40x = 2,986,627,058.22
  5. Step 5: Solve for x
    x = 2,986,627,058.22/63,021.40
  6. Step 6: Final answer
    x = 47,390.68

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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.