Home / 93,688.83-129,287.35-53,415.56

Finding the Fourth Proportional to 93,688.83, 129,287.35 and 53,415.56

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Solution

The fourth proportional to 93,688.83, 129,287.35 and 53,415.56 is: 73,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,688.83 : 129,287.35 = 53,415.56 : x
  2. Step 2: Convert to fraction form
    93,688.83/129,287.35 = 53,415.56/x
  3. Step 3: Cross multiply
    93,688.83x = 129,287.35 × 53,415.56
  4. Step 4: Simplify right side
    93,688.83x = 6,905,956,201.17
  5. Step 5: Solve for x
    x = 6,905,956,201.17/93,688.83
  6. Step 6: Final answer
    x = 73,711.63

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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.