Home / 74,276.18-102,501.18-40,284.67

Finding the Fourth Proportional to 74,276.18, 102,501.18 and 40,284.67

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Solution

The fourth proportional to 74,276.18, 102,501.18 and 40,284.67 is: 55,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276.18 : 102,501.18 = 40,284.67 : x
  2. Step 2: Convert to fraction form
    74,276.18/102,501.18 = 40,284.67/x
  3. Step 3: Cross multiply
    74,276.18x = 102,501.18 × 40,284.67
  4. Step 4: Simplify right side
    74,276.18x = 4,129,226,210.91
  5. Step 5: Solve for x
    x = 4,129,226,210.91/74,276.18
  6. Step 6: Final answer
    x = 55,592.87

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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.