Home / 93,583.36-129,127.20-55,861.12

Finding the Fourth Proportional to 93,583.36, 129,127.20 and 55,861.12

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Solution

The fourth proportional to 93,583.36, 129,127.20 and 55,861.12 is: 77,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.36 : 129,127.20 = 55,861.12 : x
  2. Step 2: Convert to fraction form
    93,583.36/129,127.20 = 55,861.12/x
  3. Step 3: Cross multiply
    93,583.36x = 129,127.20 × 55,861.12
  4. Step 4: Simplify right side
    93,583.36x = 7,213,190,014.46
  5. Step 5: Solve for x
    x = 7,213,190,014.46/93,583.36
  6. Step 6: Final answer
    x = 77,077.70

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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.