Home / 93,144.48-128,536.11-50,702.10

Finding the Fourth Proportional to 93,144.48, 128,536.11 and 50,702.10

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Solution

The fourth proportional to 93,144.48, 128,536.11 and 50,702.10 is: 69,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.48 : 128,536.11 = 50,702.10 : x
  2. Step 2: Convert to fraction form
    93,144.48/128,536.11 = 50,702.10/x
  3. Step 3: Cross multiply
    93,144.48x = 128,536.11 × 50,702.10
  4. Step 4: Simplify right side
    93,144.48x = 6,517,050,702.83
  5. Step 5: Solve for x
    x = 6,517,050,702.83/93,144.48
  6. Step 6: Final answer
    x = 69,967.12

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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.