Home / 93,900.13-129,583.20-51,457.75

Finding the Fourth Proportional to 93,900.13, 129,583.20 and 51,457.75

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Solution

The fourth proportional to 93,900.13, 129,583.20 and 51,457.75 is: 71,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,900.13 : 129,583.20 = 51,457.75 : x
  2. Step 2: Convert to fraction form
    93,900.13/129,583.20 = 51,457.75/x
  3. Step 3: Cross multiply
    93,900.13x = 129,583.20 × 51,457.75
  4. Step 4: Simplify right side
    93,900.13x = 6,668,059,909.80
  5. Step 5: Solve for x
    x = 6,668,059,909.80/93,900.13
  6. Step 6: Final answer
    x = 71,012.25

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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.