Home / 93,631.11-129,210.91-51,189.63

Finding the Fourth Proportional to 93,631.11, 129,210.91 and 51,189.63

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Solution

The fourth proportional to 93,631.11, 129,210.91 and 51,189.63 is: 70,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,631.11 : 129,210.91 = 51,189.63 : x
  2. Step 2: Convert to fraction form
    93,631.11/129,210.91 = 51,189.63/x
  3. Step 3: Cross multiply
    93,631.11x = 129,210.91 × 51,189.63
  4. Step 4: Simplify right side
    93,631.11x = 6,614,258,674.86
  5. Step 5: Solve for x
    x = 6,614,258,674.86/93,631.11
  6. Step 6: Final answer
    x = 70,641.68

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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.