Home / 93,837.40-129,483.78-74,765.56

Finding the Fourth Proportional to 93,837.40, 129,483.78 and 74,765.56

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Solution

The fourth proportional to 93,837.40, 129,483.78 and 74,765.56 is: 103,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,837.40 : 129,483.78 = 74,765.56 : x
  2. Step 2: Convert to fraction form
    93,837.40/129,483.78 = 74,765.56/x
  3. Step 3: Cross multiply
    93,837.40x = 129,483.78 × 74,765.56
  4. Step 4: Simplify right side
    93,837.40x = 9,680,927,322.62
  5. Step 5: Solve for x
    x = 9,680,927,322.62/93,837.40
  6. Step 6: Final answer
    x = 103,167.05

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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.