Home / 93,898.12-129,582.90-53,612.20

Finding the Fourth Proportional to 93,898.12, 129,582.90 and 53,612.20

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Solution

The fourth proportional to 93,898.12, 129,582.90 and 53,612.20 is: 73,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,898.12 : 129,582.90 = 53,612.20 : x
  2. Step 2: Convert to fraction form
    93,898.12/129,582.90 = 53,612.20/x
  3. Step 3: Cross multiply
    93,898.12x = 129,582.90 × 53,612.20
  4. Step 4: Simplify right side
    93,898.12x = 6,947,224,351.38
  5. Step 5: Solve for x
    x = 6,947,224,351.38/93,898.12
  6. Step 6: Final answer
    x = 73,986.83

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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.