Home / 93,338.10-139,897.80-69,937.20

Finding the Fourth Proportional to 93,338.10, 139,897.80 and 69,937.20

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Solution

The fourth proportional to 93,338.10, 139,897.80 and 69,937.20 is: 104,823.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,338.10 : 139,897.80 = 69,937.20 : x
  2. Step 2: Convert to fraction form
    93,338.10/139,897.80 = 69,937.20/x
  3. Step 3: Cross multiply
    93,338.10x = 139,897.80 × 69,937.20
  4. Step 4: Simplify right side
    93,338.10x = 9,784,060,418.16
  5. Step 5: Solve for x
    x = 9,784,060,418.16/93,338.10
  6. Step 6: Final answer
    x = 104,823.87

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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.