Home / 88,988.76-122,802.85-48,701.72

Finding the Fourth Proportional to 88,988.76, 122,802.85 and 48,701.72

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Solution

The fourth proportional to 88,988.76, 122,802.85 and 48,701.72 is: 67,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,988.76 : 122,802.85 = 48,701.72 : x
  2. Step 2: Convert to fraction form
    88,988.76/122,802.85 = 48,701.72/x
  3. Step 3: Cross multiply
    88,988.76x = 122,802.85 × 48,701.72
  4. Step 4: Simplify right side
    88,988.76x = 5,980,710,015.90
  5. Step 5: Solve for x
    x = 5,980,710,015.90/88,988.76
  6. Step 6: Final answer
    x = 67,207.48

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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.