Home / 75,298.17-112,797.81-51,547.35

Finding the Fourth Proportional to 75,298.17, 112,797.81 and 51,547.35

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Solution

The fourth proportional to 75,298.17, 112,797.81 and 51,547.35 is: 77,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,298.17 : 112,797.81 = 51,547.35 : x
  2. Step 2: Convert to fraction form
    75,298.17/112,797.81 = 51,547.35/x
  3. Step 3: Cross multiply
    75,298.17x = 112,797.81 × 51,547.35
  4. Step 4: Simplify right side
    75,298.17x = 5,814,428,191.30
  5. Step 5: Solve for x
    x = 5,814,428,191.30/75,298.17
  6. Step 6: Final answer
    x = 77,218.72

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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.