Home / 77,197.85-106,559.30-45,376.19

Finding the Fourth Proportional to 77,197.85, 106,559.30 and 45,376.19

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Solution

The fourth proportional to 77,197.85, 106,559.30 and 45,376.19 is: 62,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,197.85 : 106,559.30 = 45,376.19 : x
  2. Step 2: Convert to fraction form
    77,197.85/106,559.30 = 45,376.19/x
  3. Step 3: Cross multiply
    77,197.85x = 106,559.30 × 45,376.19
  4. Step 4: Simplify right side
    77,197.85x = 4,835,254,623.71
  5. Step 5: Solve for x
    x = 4,835,254,623.71/77,197.85
  6. Step 6: Final answer
    x = 62,634.58

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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.