Home / 53,010.63-73,155.08-29,137.70

Finding the Fourth Proportional to 53,010.63, 73,155.08 and 29,137.70

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Solution

The fourth proportional to 53,010.63, 73,155.08 and 29,137.70 is: 40,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.63 : 73,155.08 = 29,137.70 : x
  2. Step 2: Convert to fraction form
    53,010.63/73,155.08 = 29,137.70/x
  3. Step 3: Cross multiply
    53,010.63x = 73,155.08 × 29,137.70
  4. Step 4: Simplify right side
    53,010.63x = 2,131,570,774.52
  5. Step 5: Solve for x
    x = 2,131,570,774.52/53,010.63
  6. Step 6: Final answer
    x = 40,210.25

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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.