Home / 93,301.49-128,751.40-53,009.93

Finding the Fourth Proportional to 93,301.49, 128,751.40 and 53,009.93

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Solution

The fourth proportional to 93,301.49, 128,751.40 and 53,009.93 is: 73,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301.49 : 128,751.40 = 53,009.93 : x
  2. Step 2: Convert to fraction form
    93,301.49/128,751.40 = 53,009.93/x
  3. Step 3: Cross multiply
    93,301.49x = 128,751.40 × 53,009.93
  4. Step 4: Simplify right side
    93,301.49x = 6,825,102,701.40
  5. Step 5: Solve for x
    x = 6,825,102,701.40/93,301.49
  6. Step 6: Final answer
    x = 73,151.06

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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.