Home / 93,868.18-140,799.84-31,538.68

Finding the Fourth Proportional to 93,868.18, 140,799.84 and 31,538.68

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Solution

The fourth proportional to 93,868.18, 140,799.84 and 31,538.68 is: 47,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,868.18 : 140,799.84 = 31,538.68 : x
  2. Step 2: Convert to fraction form
    93,868.18/140,799.84 = 31,538.68/x
  3. Step 3: Cross multiply
    93,868.18x = 140,799.84 × 31,538.68
  4. Step 4: Simplify right side
    93,868.18x = 4,440,641,097.81
  5. Step 5: Solve for x
    x = 4,440,641,097.81/93,868.18
  6. Step 6: Final answer
    x = 47,307.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.