Home / 93,113.60-128,494.08-52,831.08

Finding the Fourth Proportional to 93,113.60, 128,494.08 and 52,831.08

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Solution

The fourth proportional to 93,113.60, 128,494.08 and 52,831.08 is: 72,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,113.60 : 128,494.08 = 52,831.08 : x
  2. Step 2: Convert to fraction form
    93,113.60/128,494.08 = 52,831.08/x
  3. Step 3: Cross multiply
    93,113.60x = 128,494.08 × 52,831.08
  4. Step 4: Simplify right side
    93,113.60x = 6,788,481,020.01
  5. Step 5: Solve for x
    x = 6,788,481,020.01/93,113.60
  6. Step 6: Final answer
    x = 72,905.37

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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.