Home / 93,938.33-129,630-53,644.21

Finding the Fourth Proportional to 93,938.33, 129,630 and 53,644.21

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Solution

The fourth proportional to 93,938.33, 129,630 and 53,644.21 is: 74,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,938.33 : 129,630 = 53,644.21 : x
  2. Step 2: Convert to fraction form
    93,938.33/129,630 = 53,644.21/x
  3. Step 3: Cross multiply
    93,938.33x = 129,630 × 53,644.21
  4. Step 4: Simplify right side
    93,938.33x = 6,953,898,942.30
  5. Step 5: Solve for x
    x = 6,953,898,942.30/93,938.33
  6. Step 6: Final answer
    x = 74,026.21

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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.