Home / 97,743.87-146,009.36-70,876.58

Finding the Fourth Proportional to 97,743.87, 146,009.36 and 70,876.58

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Solution

The fourth proportional to 97,743.87, 146,009.36 and 70,876.58 is: 105,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,743.87 : 146,009.36 = 70,876.58 : x
  2. Step 2: Convert to fraction form
    97,743.87/146,009.36 = 70,876.58/x
  3. Step 3: Cross multiply
    97,743.87x = 146,009.36 × 70,876.58
  4. Step 4: Simplify right side
    97,743.87x = 10,348,643,719.77
  5. Step 5: Solve for x
    x = 10,348,643,719.77/97,743.87
  6. Step 6: Final answer
    x = 105,875.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.