Home / 77,228.95-106,570.80-43,231.69

Finding the Fourth Proportional to 77,228.95, 106,570.80 and 43,231.69

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Solution

The fourth proportional to 77,228.95, 106,570.80 and 43,231.69 is: 59,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,228.95 : 106,570.80 = 43,231.69 : x
  2. Step 2: Convert to fraction form
    77,228.95/106,570.80 = 43,231.69/x
  3. Step 3: Cross multiply
    77,228.95x = 106,570.80 × 43,231.69
  4. Step 4: Simplify right side
    77,228.95x = 4,607,236,207.46
  5. Step 5: Solve for x
    x = 4,607,236,207.46/77,228.95
  6. Step 6: Final answer
    x = 59,656.85

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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.