Home / 93,831.74-129,455.63-53,516.51

Finding the Fourth Proportional to 93,831.74, 129,455.63 and 53,516.51

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Solution

The fourth proportional to 93,831.74, 129,455.63 and 53,516.51 is: 73,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,831.74 : 129,455.63 = 53,516.51 : x
  2. Step 2: Convert to fraction form
    93,831.74/129,455.63 = 53,516.51/x
  3. Step 3: Cross multiply
    93,831.74x = 129,455.63 × 53,516.51
  4. Step 4: Simplify right side
    93,831.74x = 6,928,013,517.45
  5. Step 5: Solve for x
    x = 6,928,013,517.45/93,831.74
  6. Step 6: Final answer
    x = 73,834.44

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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.