Home / 75,611.08-104,347.38-42,077.80

Finding the Fourth Proportional to 75,611.08, 104,347.38 and 42,077.80

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Solution

The fourth proportional to 75,611.08, 104,347.38 and 42,077.80 is: 58,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,611.08 : 104,347.38 = 42,077.80 : x
  2. Step 2: Convert to fraction form
    75,611.08/104,347.38 = 42,077.80/x
  3. Step 3: Cross multiply
    75,611.08x = 104,347.38 × 42,077.80
  4. Step 4: Simplify right side
    75,611.08x = 4,390,708,186.16
  5. Step 5: Solve for x
    x = 4,390,708,186.16/75,611.08
  6. Step 6: Final answer
    x = 58,069.64

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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.