Home / 86,875.22-119,877.68-48,636.86

Finding the Fourth Proportional to 86,875.22, 119,877.68 and 48,636.86

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Solution

The fourth proportional to 86,875.22, 119,877.68 and 48,636.86 is: 67,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.22 : 119,877.68 = 48,636.86 : x
  2. Step 2: Convert to fraction form
    86,875.22/119,877.68 = 48,636.86/x
  3. Step 3: Cross multiply
    86,875.22x = 119,877.68 × 48,636.86
  4. Step 4: Simplify right side
    86,875.22x = 5,830,473,939.28
  5. Step 5: Solve for x
    x = 5,830,473,939.28/86,875.22
  6. Step 6: Final answer
    x = 67,113.20

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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.