Home / 74,320.12-102,558.18-42,492.52

Finding the Fourth Proportional to 74,320.12, 102,558.18 and 42,492.52

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Solution

The fourth proportional to 74,320.12, 102,558.18 and 42,492.52 is: 58,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.12 : 102,558.18 = 42,492.52 : x
  2. Step 2: Convert to fraction form
    74,320.12/102,558.18 = 42,492.52/x
  3. Step 3: Cross multiply
    74,320.12x = 102,558.18 × 42,492.52
  4. Step 4: Simplify right side
    74,320.12x = 4,357,955,514.81
  5. Step 5: Solve for x
    x = 4,357,955,514.81/74,320.12
  6. Step 6: Final answer
    x = 58,637.63

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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.