Home / 74,328.19-102,573.16-40,336.67

Finding the Fourth Proportional to 74,328.19, 102,573.16 and 40,336.67

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Solution

The fourth proportional to 74,328.19, 102,573.16 and 40,336.67 is: 55,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.19 : 102,573.16 = 40,336.67 : x
  2. Step 2: Convert to fraction form
    74,328.19/102,573.16 = 40,336.67/x
  3. Step 3: Cross multiply
    74,328.19x = 102,573.16 × 40,336.67
  4. Step 4: Simplify right side
    74,328.19x = 4,137,459,192.91
  5. Step 5: Solve for x
    x = 4,137,459,192.91/74,328.19
  6. Step 6: Final answer
    x = 55,664.74

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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.