Home / 94,073.04-129,820.80-56,369.12

Finding the Fourth Proportional to 94,073.04, 129,820.80 and 56,369.12

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Solution

The fourth proportional to 94,073.04, 129,820.80 and 56,369.12 is: 77,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,073.04 : 129,820.80 = 56,369.12 : x
  2. Step 2: Convert to fraction form
    94,073.04/129,820.80 = 56,369.12/x
  3. Step 3: Cross multiply
    94,073.04x = 129,820.80 × 56,369.12
  4. Step 4: Simplify right side
    94,073.04x = 7,317,884,253.70
  5. Step 5: Solve for x
    x = 7,317,884,253.70/94,073.04
  6. Step 6: Final answer
    x = 77,789.39

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1.5x scale

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.