Home / 93,127.46-139,565.36-66,774.38

Finding the Fourth Proportional to 93,127.46, 139,565.36 and 66,774.38

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Solution

The fourth proportional to 93,127.46, 139,565.36 and 66,774.38 is: 100,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,127.46 : 139,565.36 = 66,774.38 : x
  2. Step 2: Convert to fraction form
    93,127.46/139,565.36 = 66,774.38/x
  3. Step 3: Cross multiply
    93,127.46x = 139,565.36 × 66,774.38
  4. Step 4: Simplify right side
    93,127.46x = 9,319,389,852.59
  5. Step 5: Solve for x
    x = 9,319,389,852.59/93,127.46
  6. Step 6: Final answer
    x = 100,071.35

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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.