Home / 88,117.02-121,601.09-47,830.46

Finding the Fourth Proportional to 88,117.02, 121,601.09 and 47,830.46

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Solution

The fourth proportional to 88,117.02, 121,601.09 and 47,830.46 is: 66,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,117.02 : 121,601.09 = 47,830.46 : x
  2. Step 2: Convert to fraction form
    88,117.02/121,601.09 = 47,830.46/x
  3. Step 3: Cross multiply
    88,117.02x = 121,601.09 × 47,830.46
  4. Step 4: Simplify right side
    88,117.02x = 5,816,235,224.04
  5. Step 5: Solve for x
    x = 5,816,235,224.04/88,117.02
  6. Step 6: Final answer
    x = 66,005.81

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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.