Home / 74,582.96-102,901.28-42,312.24

Finding the Fourth Proportional to 74,582.96, 102,901.28 and 42,312.24

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Solution

The fourth proportional to 74,582.96, 102,901.28 and 42,312.24 is: 58,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.96 : 102,901.28 = 42,312.24 : x
  2. Step 2: Convert to fraction form
    74,582.96/102,901.28 = 42,312.24/x
  3. Step 3: Cross multiply
    74,582.96x = 102,901.28 × 42,312.24
  4. Step 4: Simplify right side
    74,582.96x = 4,353,983,444.11
  5. Step 5: Solve for x
    x = 4,353,983,444.11/74,582.96
  6. Step 6: Final answer
    x = 58,377.73

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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.