Home / 113,312.08-169,968-53,967.76

Finding the Fourth Proportional to 113,312.08, 169,968 and 53,967.76

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Solution

The fourth proportional to 113,312.08, 169,968 and 53,967.76 is: 80,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,312.08 : 169,968 = 53,967.76 : x
  2. Step 2: Convert to fraction form
    113,312.08/169,968 = 53,967.76/x
  3. Step 3: Cross multiply
    113,312.08x = 169,968 × 53,967.76
  4. Step 4: Simplify right side
    113,312.08x = 9,172,792,231.68
  5. Step 5: Solve for x
    x = 9,172,792,231.68/113,312.08
  6. Step 6: Final answer
    x = 80,951.58

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1.5x scale

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.