Home / 112,763.18-169,123.60-56,588.21

Finding the Fourth Proportional to 112,763.18, 169,123.60 and 56,588.21

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Solution

The fourth proportional to 112,763.18, 169,123.60 and 56,588.21 is: 84,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,763.18 : 169,123.60 = 56,588.21 : x
  2. Step 2: Convert to fraction form
    112,763.18/169,123.60 = 56,588.21/x
  3. Step 3: Cross multiply
    112,763.18x = 169,123.60 × 56,588.21
  4. Step 4: Simplify right side
    112,763.18x = 9,570,401,652.09
  5. Step 5: Solve for x
    x = 9,570,401,652.09/112,763.18
  6. Step 6: Final answer
    x = 84,871.69

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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.