Home / 91,043.93-125,668.40-52,813.14

Finding the Fourth Proportional to 91,043.93, 125,668.40 and 52,813.14

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Solution

The fourth proportional to 91,043.93, 125,668.40 and 52,813.14 is: 72,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,043.93 : 125,668.40 = 52,813.14 : x
  2. Step 2: Convert to fraction form
    91,043.93/125,668.40 = 52,813.14/x
  3. Step 3: Cross multiply
    91,043.93x = 125,668.40 × 52,813.14
  4. Step 4: Simplify right side
    91,043.93x = 6,636,942,538.71
  5. Step 5: Solve for x
    x = 6,636,942,538.71/91,043.93
  6. Step 6: Final answer
    x = 72,898.25

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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.