Home / 93,840.48-129,500.64-51,402.96

Finding the Fourth Proportional to 93,840.48, 129,500.64 and 51,402.96

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Solution

The fourth proportional to 93,840.48, 129,500.64 and 51,402.96 is: 70,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,840.48 : 129,500.64 = 51,402.96 : x
  2. Step 2: Convert to fraction form
    93,840.48/129,500.64 = 51,402.96/x
  3. Step 3: Cross multiply
    93,840.48x = 129,500.64 × 51,402.96
  4. Step 4: Simplify right side
    93,840.48x = 6,656,716,217.89
  5. Step 5: Solve for x
    x = 6,656,716,217.89/93,840.48
  6. Step 6: Final answer
    x = 70,936.51

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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.