Home / 93,395.20-128,881.60-50,952.64

Finding the Fourth Proportional to 93,395.20, 128,881.60 and 50,952.64

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Solution

The fourth proportional to 93,395.20, 128,881.60 and 50,952.64 is: 70,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,395.20 : 128,881.60 = 50,952.64 : x
  2. Step 2: Convert to fraction form
    93,395.20/128,881.60 = 50,952.64/x
  3. Step 3: Cross multiply
    93,395.20x = 128,881.60 × 50,952.64
  4. Step 4: Simplify right side
    93,395.20x = 6,566,857,767.42
  5. Step 5: Solve for x
    x = 6,566,857,767.42/93,395.20
  6. Step 6: Final answer
    x = 70,312.58

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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.