Home / 74,329.08-102,570.84-42,500.04

Finding the Fourth Proportional to 74,329.08, 102,570.84 and 42,500.04

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Solution

The fourth proportional to 74,329.08, 102,570.84 and 42,500.04 is: 58,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.08 : 102,570.84 = 42,500.04 : x
  2. Step 2: Convert to fraction form
    74,329.08/102,570.84 = 42,500.04/x
  3. Step 3: Cross multiply
    74,329.08x = 102,570.84 × 42,500.04
  4. Step 4: Simplify right side
    74,329.08x = 4,359,264,802.83
  5. Step 5: Solve for x
    x = 4,359,264,802.83/74,329.08
  6. Step 6: Final answer
    x = 58,648.17

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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.