Home / 99,056.48-148,583.10-39,890.66

Finding the Fourth Proportional to 99,056.48, 148,583.10 and 39,890.66

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Solution

The fourth proportional to 99,056.48, 148,583.10 and 39,890.66 is: 59,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,056.48 : 148,583.10 = 39,890.66 : x
  2. Step 2: Convert to fraction form
    99,056.48/148,583.10 = 39,890.66/x
  3. Step 3: Cross multiply
    99,056.48x = 148,583.10 × 39,890.66
  4. Step 4: Simplify right side
    99,056.48x = 5,927,077,923.85
  5. Step 5: Solve for x
    x = 5,927,077,923.85/99,056.48
  6. Step 6: Final answer
    x = 59,835.34

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1.5x scale

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.