Home / 93,646.86-129,208.68-55,404.60

Finding the Fourth Proportional to 93,646.86, 129,208.68 and 55,404.60

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Solution

The fourth proportional to 93,646.86, 129,208.68 and 55,404.60 is: 76,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,646.86 : 129,208.68 = 55,404.60 : x
  2. Step 2: Convert to fraction form
    93,646.86/129,208.68 = 55,404.60/x
  3. Step 3: Cross multiply
    93,646.86x = 129,208.68 × 55,404.60
  4. Step 4: Simplify right side
    93,646.86x = 7,158,755,231.93
  5. Step 5: Solve for x
    x = 7,158,755,231.93/93,646.86
  6. Step 6: Final answer
    x = 76,444.16

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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.