Home / 93,831.12-129,488.04-53,550.36

Finding the Fourth Proportional to 93,831.12, 129,488.04 and 53,550.36

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Solution

The fourth proportional to 93,831.12, 129,488.04 and 53,550.36 is: 73,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,831.12 : 129,488.04 = 53,550.36 : x
  2. Step 2: Convert to fraction form
    93,831.12/129,488.04 = 53,550.36/x
  3. Step 3: Cross multiply
    93,831.12x = 129,488.04 × 53,550.36
  4. Step 4: Simplify right side
    93,831.12x = 6,934,131,157.69
  5. Step 5: Solve for x
    x = 6,934,131,157.69/93,831.12
  6. Step 6: Final answer
    x = 73,900.12

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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.