Home / 52,176.15-78,123.99-42,927.77

Finding the Fourth Proportional to 52,176.15, 78,123.99 and 42,927.77

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Solution

The fourth proportional to 52,176.15, 78,123.99 and 42,927.77 is: 64,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.15 : 78,123.99 = 42,927.77 : x
  2. Step 2: Convert to fraction form
    52,176.15/78,123.99 = 42,927.77/x
  3. Step 3: Cross multiply
    52,176.15x = 78,123.99 × 42,927.77
  4. Step 4: Simplify right side
    52,176.15x = 3,353,689,030.49
  5. Step 5: Solve for x
    x = 3,353,689,030.49/52,176.15
  6. Step 6: Final answer
    x = 64,276.28

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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.