Home / 76,870.13-106,080.80-43,336.13

Finding the Fourth Proportional to 76,870.13, 106,080.80 and 43,336.13

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Solution

The fourth proportional to 76,870.13, 106,080.80 and 43,336.13 is: 59,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,870.13 : 106,080.80 = 43,336.13 : x
  2. Step 2: Convert to fraction form
    76,870.13/106,080.80 = 43,336.13/x
  3. Step 3: Cross multiply
    76,870.13x = 106,080.80 × 43,336.13
  4. Step 4: Simplify right side
    76,870.13x = 4,597,130,592.22
  5. Step 5: Solve for x
    x = 4,597,130,592.22/76,870.13
  6. Step 6: Final answer
    x = 59,803.87

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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.