Home / 93,423.30-128,926.98-53,142.81

Finding the Fourth Proportional to 93,423.30, 128,926.98 and 53,142.81

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Solution

The fourth proportional to 93,423.30, 128,926.98 and 53,142.81 is: 73,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,423.30 : 128,926.98 = 53,142.81 : x
  2. Step 2: Convert to fraction form
    93,423.30/128,926.98 = 53,142.81/x
  3. Step 3: Cross multiply
    93,423.30x = 128,926.98 × 53,142.81
  4. Step 4: Simplify right side
    93,423.30x = 6,851,542,002.01
  5. Step 5: Solve for x
    x = 6,851,542,002.01/93,423.30
  6. Step 6: Final answer
    x = 73,338.69

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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.