Home / 74,767.08-103,624-73,367.40

Finding the Fourth Proportional to 74,767.08, 103,624 and 73,367.40

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Solution

The fourth proportional to 74,767.08, 103,624 and 73,367.40 is: 101,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,767.08 : 103,624 = 73,367.40 : x
  2. Step 2: Convert to fraction form
    74,767.08/103,624 = 73,367.40/x
  3. Step 3: Cross multiply
    74,767.08x = 103,624 × 73,367.40
  4. Step 4: Simplify right side
    74,767.08x = 7,602,623,457.60
  5. Step 5: Solve for x
    x = 7,602,623,457.60/74,767.08
  6. Step 6: Final answer
    x = 101,684.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.