Home / 73,836.48-101,890.80-42,002.40

Finding the Fourth Proportional to 73,836.48, 101,890.80 and 42,002.40

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Solution

The fourth proportional to 73,836.48, 101,890.80 and 42,002.40 is: 57,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,836.48 : 101,890.80 = 42,002.40 : x
  2. Step 2: Convert to fraction form
    73,836.48/101,890.80 = 42,002.40/x
  3. Step 3: Cross multiply
    73,836.48x = 101,890.80 × 42,002.40
  4. Step 4: Simplify right side
    73,836.48x = 4,279,658,137.92
  5. Step 5: Solve for x
    x = 4,279,658,137.92/73,836.48
  6. Step 6: Final answer
    x = 57,961.30

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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.