Home / 93,655.60-129,234.12-55,416.32

Finding the Fourth Proportional to 93,655.60, 129,234.12 and 55,416.32

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Solution

The fourth proportional to 93,655.60, 129,234.12 and 55,416.32 is: 76,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,655.60 : 129,234.12 = 55,416.32 : x
  2. Step 2: Convert to fraction form
    93,655.60/129,234.12 = 55,416.32/x
  3. Step 3: Cross multiply
    93,655.60x = 129,234.12 × 55,416.32
  4. Step 4: Simplify right side
    93,655.60x = 7,161,679,348.84
  5. Step 5: Solve for x
    x = 7,161,679,348.84/93,655.60
  6. Step 6: Final answer
    x = 76,468.24

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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.