Home / 67,855.17-93,617.73-40,987.47

Finding the Fourth Proportional to 67,855.17, 93,617.73 and 40,987.47

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Solution

The fourth proportional to 67,855.17, 93,617.73 and 40,987.47 is: 56,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,855.17 : 93,617.73 = 40,987.47 : x
  2. Step 2: Convert to fraction form
    67,855.17/93,617.73 = 40,987.47/x
  3. Step 3: Cross multiply
    67,855.17x = 93,617.73 × 40,987.47
  4. Step 4: Simplify right side
    67,855.17x = 3,837,153,899.84
  5. Step 5: Solve for x
    x = 3,837,153,899.84/67,855.17
  6. Step 6: Final answer
    x = 56,549.18

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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.