Home / 84,898.20-127,347.30-45,532.20

Finding the Fourth Proportional to 84,898.20, 127,347.30 and 45,532.20

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Solution

The fourth proportional to 84,898.20, 127,347.30 and 45,532.20 is: 68,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,898.20 : 127,347.30 = 45,532.20 : x
  2. Step 2: Convert to fraction form
    84,898.20/127,347.30 = 45,532.20/x
  3. Step 3: Cross multiply
    84,898.20x = 127,347.30 × 45,532.20
  4. Step 4: Simplify right side
    84,898.20x = 5,798,402,733.06
  5. Step 5: Solve for x
    x = 5,798,402,733.06/84,898.20
  6. Step 6: Final answer
    x = 68,298.30

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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.