Home / 77,311.16-106,670.91-45,026.18

Finding the Fourth Proportional to 77,311.16, 106,670.91 and 45,026.18

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Solution

The fourth proportional to 77,311.16, 106,670.91 and 45,026.18 is: 62,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,311.16 : 106,670.91 = 45,026.18 : x
  2. Step 2: Convert to fraction form
    77,311.16/106,670.91 = 45,026.18/x
  3. Step 3: Cross multiply
    77,311.16x = 106,670.91 × 45,026.18
  4. Step 4: Simplify right side
    77,311.16x = 4,802,982,835.94
  5. Step 5: Solve for x
    x = 4,802,982,835.94/77,311.16
  6. Step 6: Final answer
    x = 62,125.35

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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.