Home / 74,807.76-112,182.36-28,035.12

Finding the Fourth Proportional to 74,807.76, 112,182.36 and 28,035.12

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Solution

The fourth proportional to 74,807.76, 112,182.36 and 28,035.12 is: 42,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807.76 : 112,182.36 = 28,035.12 : x
  2. Step 2: Convert to fraction form
    74,807.76/112,182.36 = 28,035.12/x
  3. Step 3: Cross multiply
    74,807.76x = 112,182.36 × 28,035.12
  4. Step 4: Simplify right side
    74,807.76x = 3,145,045,924.48
  5. Step 5: Solve for x
    x = 3,145,045,924.48/74,807.76
  6. Step 6: Final answer
    x = 42,041.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.