Home / 94,167.40-129,988.04-56,434.36

Finding the Fourth Proportional to 94,167.40, 129,988.04 and 56,434.36

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Solution

The fourth proportional to 94,167.40, 129,988.04 and 56,434.36 is: 77,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,167.40 : 129,988.04 = 56,434.36 : x
  2. Step 2: Convert to fraction form
    94,167.40/129,988.04 = 56,434.36/x
  3. Step 3: Cross multiply
    94,167.40x = 129,988.04 × 56,434.36
  4. Step 4: Simplify right side
    94,167.40x = 7,335,791,845.05
  5. Step 5: Solve for x
    x = 7,335,791,845.05/94,167.40
  6. Step 6: Final answer
    x = 77,901.61

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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.