Home / 93,312.18-128,773.26-57,525.84

Finding the Fourth Proportional to 93,312.18, 128,773.26 and 57,525.84

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Solution

The fourth proportional to 93,312.18, 128,773.26 and 57,525.84 is: 79,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312.18 : 128,773.26 = 57,525.84 : x
  2. Step 2: Convert to fraction form
    93,312.18/128,773.26 = 57,525.84/x
  3. Step 3: Cross multiply
    93,312.18x = 128,773.26 × 57,525.84
  4. Step 4: Simplify right side
    93,312.18x = 7,407,789,951.04
  5. Step 5: Solve for x
    x = 7,407,789,951.04/93,312.18
  6. Step 6: Final answer
    x = 79,387.17

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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.