Home / 53,465.13-73,801.32-31,109.13

Finding the Fourth Proportional to 53,465.13, 73,801.32 and 31,109.13

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Solution

The fourth proportional to 53,465.13, 73,801.32 and 31,109.13 is: 42,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.13 : 73,801.32 = 31,109.13 : x
  2. Step 2: Convert to fraction form
    53,465.13/73,801.32 = 31,109.13/x
  3. Step 3: Cross multiply
    53,465.13x = 73,801.32 × 31,109.13
  4. Step 4: Simplify right side
    53,465.13x = 2,295,894,858.05
  5. Step 5: Solve for x
    x = 2,295,894,858.05/53,465.13
  6. Step 6: Final answer
    x = 42,941.91

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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.