Home / 79,810.36-110,151.30-48,011.40

Finding the Fourth Proportional to 79,810.36, 110,151.30 and 48,011.40

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Solution

The fourth proportional to 79,810.36, 110,151.30 and 48,011.40 is: 66,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,810.36 : 110,151.30 = 48,011.40 : x
  2. Step 2: Convert to fraction form
    79,810.36/110,151.30 = 48,011.40/x
  3. Step 3: Cross multiply
    79,810.36x = 110,151.30 × 48,011.40
  4. Step 4: Simplify right side
    79,810.36x = 5,288,518,124.82
  5. Step 5: Solve for x
    x = 5,288,518,124.82/79,810.36
  6. Step 6: Final answer
    x = 66,263.55

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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.