Home / 93,867.25-129,536.81-56,141.50

Finding the Fourth Proportional to 93,867.25, 129,536.81 and 56,141.50

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Solution

The fourth proportional to 93,867.25, 129,536.81 and 56,141.50 is: 77,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,867.25 : 129,536.81 = 56,141.50 : x
  2. Step 2: Convert to fraction form
    93,867.25/129,536.81 = 56,141.50/x
  3. Step 3: Cross multiply
    93,867.25x = 129,536.81 × 56,141.50
  4. Step 4: Simplify right side
    93,867.25x = 7,272,390,818.62
  5. Step 5: Solve for x
    x = 7,272,390,818.62/93,867.25
  6. Step 6: Final answer
    x = 77,475.27

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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.