Home / 93,086.87-128,462.10-52,803.35

Finding the Fourth Proportional to 93,086.87, 128,462.10 and 52,803.35

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Solution

The fourth proportional to 93,086.87, 128,462.10 and 52,803.35 is: 72,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,086.87 : 128,462.10 = 52,803.35 : x
  2. Step 2: Convert to fraction form
    93,086.87/128,462.10 = 52,803.35/x
  3. Step 3: Cross multiply
    93,086.87x = 128,462.10 × 52,803.35
  4. Step 4: Simplify right side
    93,086.87x = 6,783,229,228.04
  5. Step 5: Solve for x
    x = 6,783,229,228.04/93,086.87
  6. Step 6: Final answer
    x = 72,869.88

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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.