Home / 98,849.53-136,414.64-56,412.01

Finding the Fourth Proportional to 98,849.53, 136,414.64 and 56,412.01

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Solution

The fourth proportional to 98,849.53, 136,414.64 and 56,412.01 is: 77,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,849.53 : 136,414.64 = 56,412.01 : x
  2. Step 2: Convert to fraction form
    98,849.53/136,414.64 = 56,412.01/x
  3. Step 3: Cross multiply
    98,849.53x = 136,414.64 × 56,412.01
  4. Step 4: Simplify right side
    98,849.53x = 7,695,423,071.69
  5. Step 5: Solve for x
    x = 7,695,423,071.69/98,849.53
  6. Step 6: Final answer
    x = 77,849.87

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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.