Home / 77,253.13-106,610.95-47,039.73

Finding the Fourth Proportional to 77,253.13, 106,610.95 and 47,039.73

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Solution

The fourth proportional to 77,253.13, 106,610.95 and 47,039.73 is: 64,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253.13 : 106,610.95 = 47,039.73 : x
  2. Step 2: Convert to fraction form
    77,253.13/106,610.95 = 47,039.73/x
  3. Step 3: Cross multiply
    77,253.13x = 106,610.95 × 47,039.73
  4. Step 4: Simplify right side
    77,253.13x = 5,014,950,303.04
  5. Step 5: Solve for x
    x = 5,014,950,303.04/77,253.13
  6. Step 6: Final answer
    x = 64,915.82

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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.