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Finding the Fourth Proportional to 93,840.52, 129,467.73 and 53,525.26

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Solution

The fourth proportional to 93,840.52, 129,467.73 and 53,525.26 is: 73,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,840.52 : 129,467.73 = 53,525.26 : x
  2. Step 2: Convert to fraction form
    93,840.52/129,467.73 = 53,525.26/x
  3. Step 3: Cross multiply
    93,840.52x = 129,467.73 × 53,525.26
  4. Step 4: Simplify right side
    93,840.52x = 6,929,793,909.86
  5. Step 5: Solve for x
    x = 6,929,793,909.86/93,840.52
  6. Step 6: Final answer
    x = 73,846.50

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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.