Home / 67,457.58-101,176.86-42,421.30

Finding the Fourth Proportional to 67,457.58, 101,176.86 and 42,421.30

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Solution

The fourth proportional to 67,457.58, 101,176.86 and 42,421.30 is: 63,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,457.58 : 101,176.86 = 42,421.30 : x
  2. Step 2: Convert to fraction form
    67,457.58/101,176.86 = 42,421.30/x
  3. Step 3: Cross multiply
    67,457.58x = 101,176.86 × 42,421.30
  4. Step 4: Simplify right side
    67,457.58x = 4,292,053,931.12
  5. Step 5: Solve for x
    x = 4,292,053,931.12/67,457.58
  6. Step 6: Final answer
    x = 63,625.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.