Home / 64,143.77-88,511.54-37,280.66

Finding the Fourth Proportional to 64,143.77, 88,511.54 and 37,280.66

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Solution

The fourth proportional to 64,143.77, 88,511.54 and 37,280.66 is: 51,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.77 : 88,511.54 = 37,280.66 : x
  2. Step 2: Convert to fraction form
    64,143.77/88,511.54 = 37,280.66/x
  3. Step 3: Cross multiply
    64,143.77x = 88,511.54 × 37,280.66
  4. Step 4: Simplify right side
    64,143.77x = 3,299,767,999.86
  5. Step 5: Solve for x
    x = 3,299,767,999.86/64,143.77
  6. Step 6: Final answer
    x = 51,443.32

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1.5x scale

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.