Home / 93,788.85-129,423.51-51,339.18

Finding the Fourth Proportional to 93,788.85, 129,423.51 and 51,339.18

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Solution

The fourth proportional to 93,788.85, 129,423.51 and 51,339.18 is: 70,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,788.85 : 129,423.51 = 51,339.18 : x
  2. Step 2: Convert to fraction form
    93,788.85/129,423.51 = 51,339.18/x
  3. Step 3: Cross multiply
    93,788.85x = 129,423.51 × 51,339.18
  4. Step 4: Simplify right side
    93,788.85x = 6,644,496,876.12
  5. Step 5: Solve for x
    x = 6,644,496,876.12/93,788.85
  6. Step 6: Final answer
    x = 70,845.28

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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.