Home / 77,120.37-106,461.95-48,864.33

Finding the Fourth Proportional to 77,120.37, 106,461.95 and 48,864.33

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Solution

The fourth proportional to 77,120.37, 106,461.95 and 48,864.33 is: 67,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,120.37 : 106,461.95 = 48,864.33 : x
  2. Step 2: Convert to fraction form
    77,120.37/106,461.95 = 48,864.33/x
  3. Step 3: Cross multiply
    77,120.37x = 106,461.95 × 48,864.33
  4. Step 4: Simplify right side
    77,120.37x = 5,202,191,612.92
  5. Step 5: Solve for x
    x = 5,202,191,612.92/77,120.37
  6. Step 6: Final answer
    x = 67,455.48

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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.