Home / 53,000.34-73,137.02-30,339.51

Finding the Fourth Proportional to 53,000.34, 73,137.02 and 30,339.51

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Solution

The fourth proportional to 53,000.34, 73,137.02 and 30,339.51 is: 41,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.34 : 73,137.02 = 30,339.51 : x
  2. Step 2: Convert to fraction form
    53,000.34/73,137.02 = 30,339.51/x
  3. Step 3: Cross multiply
    53,000.34x = 73,137.02 × 30,339.51
  4. Step 4: Simplify right side
    53,000.34x = 2,218,941,349.66
  5. Step 5: Solve for x
    x = 2,218,941,349.66/53,000.34
  6. Step 6: Final answer
    x = 41,866.55

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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.