Home / 93,957.12-129,677.40-56,231.28

Finding the Fourth Proportional to 93,957.12, 129,677.40 and 56,231.28

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Solution

The fourth proportional to 93,957.12, 129,677.40 and 56,231.28 is: 77,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,957.12 : 129,677.40 = 56,231.28 : x
  2. Step 2: Convert to fraction form
    93,957.12/129,677.40 = 56,231.28/x
  3. Step 3: Cross multiply
    93,957.12x = 129,677.40 × 56,231.28
  4. Step 4: Simplify right side
    93,957.12x = 7,291,926,189.07
  5. Step 5: Solve for x
    x = 7,291,926,189.07/93,957.12
  6. Step 6: Final answer
    x = 77,609.09

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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.