Home / 88,162.58-121,663.98-47,876.01

Finding the Fourth Proportional to 88,162.58, 121,663.98 and 47,876.01

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Solution

The fourth proportional to 88,162.58, 121,663.98 and 47,876.01 is: 66,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.58 : 121,663.98 = 47,876.01 : x
  2. Step 2: Convert to fraction form
    88,162.58/121,663.98 = 47,876.01/x
  3. Step 3: Cross multiply
    88,162.58x = 121,663.98 × 47,876.01
  4. Step 4: Simplify right side
    88,162.58x = 5,824,785,923.12
  5. Step 5: Solve for x
    x = 5,824,785,923.12/88,162.58
  6. Step 6: Final answer
    x = 66,068.69

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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.