Home / 53,386.77-73,668.11-29,509.59

Finding the Fourth Proportional to 53,386.77, 73,668.11 and 29,509.59

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Solution

The fourth proportional to 53,386.77, 73,668.11 and 29,509.59 is: 40,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.77 : 73,668.11 = 29,509.59 : x
  2. Step 2: Convert to fraction form
    53,386.77/73,668.11 = 29,509.59/x
  3. Step 3: Cross multiply
    53,386.77x = 73,668.11 × 29,509.59
  4. Step 4: Simplify right side
    53,386.77x = 2,173,915,574.63
  5. Step 5: Solve for x
    x = 2,173,915,574.63/53,386.77
  6. Step 6: Final answer
    x = 40,720.12

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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.