Home / 74,724.16-103,117.27-40,733.30

Finding the Fourth Proportional to 74,724.16, 103,117.27 and 40,733.30

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Solution

The fourth proportional to 74,724.16, 103,117.27 and 40,733.30 is: 56,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724.16 : 103,117.27 = 40,733.30 : x
  2. Step 2: Convert to fraction form
    74,724.16/103,117.27 = 40,733.30/x
  3. Step 3: Cross multiply
    74,724.16x = 103,117.27 × 40,733.30
  4. Step 4: Simplify right side
    74,724.16x = 4,200,307,002.80
  5. Step 5: Solve for x
    x = 4,200,307,002.80/74,724.16
  6. Step 6: Final answer
    x = 56,210.83

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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.