Home / 93,939.07-129,641.22-55,721.23

Finding the Fourth Proportional to 93,939.07, 129,641.22 and 55,721.23

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Solution

The fourth proportional to 93,939.07, 129,641.22 and 55,721.23 is: 76,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,939.07 : 129,641.22 = 55,721.23 : x
  2. Step 2: Convert to fraction form
    93,939.07/129,641.22 = 55,721.23/x
  3. Step 3: Cross multiply
    93,939.07x = 129,641.22 × 55,721.23
  4. Step 4: Simplify right side
    93,939.07x = 7,223,768,237.10
  5. Step 5: Solve for x
    x = 7,223,768,237.10/93,939.07
  6. Step 6: Final answer
    x = 76,898.44

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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.