Home / 52,432.18-78,501.73-28,330.15

Finding the Fourth Proportional to 52,432.18, 78,501.73 and 28,330.15

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Solution

The fourth proportional to 52,432.18, 78,501.73 and 28,330.15 is: 42,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.18 : 78,501.73 = 28,330.15 : x
  2. Step 2: Convert to fraction form
    52,432.18/78,501.73 = 28,330.15/x
  3. Step 3: Cross multiply
    52,432.18x = 78,501.73 × 28,330.15
  4. Step 4: Simplify right side
    52,432.18x = 2,223,965,786.16
  5. Step 5: Solve for x
    x = 2,223,965,786.16/52,432.18
  6. Step 6: Final answer
    x = 42,416.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.