Home / 93,433.60-128,933.28-53,141.92

Finding the Fourth Proportional to 93,433.60, 128,933.28 and 53,141.92

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Solution

The fourth proportional to 93,433.60, 128,933.28 and 53,141.92 is: 73,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,433.60 : 128,933.28 = 53,141.92 : x
  2. Step 2: Convert to fraction form
    93,433.60/128,933.28 = 53,141.92/x
  3. Step 3: Cross multiply
    93,433.60x = 128,933.28 × 53,141.92
  4. Step 4: Simplify right side
    93,433.60x = 6,851,762,051.10
  5. Step 5: Solve for x
    x = 6,851,762,051.10/93,433.60
  6. Step 6: Final answer
    x = 73,332.96

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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.