Home / 84,140.48-116,114.20-45,900.84

Finding the Fourth Proportional to 84,140.48, 116,114.20 and 45,900.84

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Solution

The fourth proportional to 84,140.48, 116,114.20 and 45,900.84 is: 63,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,140.48 : 116,114.20 = 45,900.84 : x
  2. Step 2: Convert to fraction form
    84,140.48/116,114.20 = 45,900.84/x
  3. Step 3: Cross multiply
    84,140.48x = 116,114.20 × 45,900.84
  4. Step 4: Simplify right side
    84,140.48x = 5,329,739,636.60
  5. Step 5: Solve for x
    x = 5,329,739,636.60/84,140.48
  6. Step 6: Final answer
    x = 63,343.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.