Home / 53,090.47-73,264.40-30,124.68

Finding the Fourth Proportional to 53,090.47, 73,264.40 and 30,124.68

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Solution

The fourth proportional to 53,090.47, 73,264.40 and 30,124.68 is: 41,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.47 : 73,264.40 = 30,124.68 : x
  2. Step 2: Convert to fraction form
    53,090.47/73,264.40 = 30,124.68/x
  3. Step 3: Cross multiply
    53,090.47x = 73,264.40 × 30,124.68
  4. Step 4: Simplify right side
    53,090.47x = 2,207,066,292.99
  5. Step 5: Solve for x
    x = 2,207,066,292.99/53,090.47
  6. Step 6: Final answer
    x = 41,571.80

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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.