Home / 93,631.86-129,211.95-51,190.38

Finding the Fourth Proportional to 93,631.86, 129,211.95 and 51,190.38

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Solution

The fourth proportional to 93,631.86, 129,211.95 and 51,190.38 is: 70,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,631.86 : 129,211.95 = 51,190.38 : x
  2. Step 2: Convert to fraction form
    93,631.86/129,211.95 = 51,190.38/x
  3. Step 3: Cross multiply
    93,631.86x = 129,211.95 × 51,190.38
  4. Step 4: Simplify right side
    93,631.86x = 6,614,408,821.04
  5. Step 5: Solve for x
    x = 6,614,408,821.04/93,631.86
  6. Step 6: Final answer
    x = 70,642.72

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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.