Home / 112,637.50-168,890.64-49,455.10

Finding the Fourth Proportional to 112,637.50, 168,890.64 and 49,455.10

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Solution

The fourth proportional to 112,637.50, 168,890.64 and 49,455.10 is: 74,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,637.50 : 168,890.64 = 49,455.10 : x
  2. Step 2: Convert to fraction form
    112,637.50/168,890.64 = 49,455.10/x
  3. Step 3: Cross multiply
    112,637.50x = 168,890.64 × 49,455.10
  4. Step 4: Simplify right side
    112,637.50x = 8,352,503,490.26
  5. Step 5: Solve for x
    x = 8,352,503,490.26/112,637.50
  6. Step 6: Final answer
    x = 74,153.84

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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.