Home / 53,002.49-73,143.54-29,130.77

Finding the Fourth Proportional to 53,002.49, 73,143.54 and 29,130.77

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Solution

The fourth proportional to 53,002.49, 73,143.54 and 29,130.77 is: 40,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.49 : 73,143.54 = 29,130.77 : x
  2. Step 2: Convert to fraction form
    53,002.49/73,143.54 = 29,130.77/x
  3. Step 3: Cross multiply
    53,002.49x = 73,143.54 × 29,130.77
  4. Step 4: Simplify right side
    53,002.49x = 2,130,727,823.58
  5. Step 5: Solve for x
    x = 2,130,727,823.58/53,002.49
  6. Step 6: Final answer
    x = 40,200.53

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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.