Home / 53,140.04-73,333.52-30,479.92

Finding the Fourth Proportional to 53,140.04, 73,333.52 and 30,479.92

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Solution

The fourth proportional to 53,140.04, 73,333.52 and 30,479.92 is: 42,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.04 : 73,333.52 = 30,479.92 : x
  2. Step 2: Convert to fraction form
    53,140.04/73,333.52 = 30,479.92/x
  3. Step 3: Cross multiply
    53,140.04x = 73,333.52 × 30,479.92
  4. Step 4: Simplify right side
    53,140.04x = 2,235,199,822.92
  5. Step 5: Solve for x
    x = 2,235,199,822.92/53,140.04
  6. Step 6: Final answer
    x = 42,062.44

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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.