Home / 88,174.04-121,679.73-47,887.47

Finding the Fourth Proportional to 88,174.04, 121,679.73 and 47,887.47

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Solution

The fourth proportional to 88,174.04, 121,679.73 and 47,887.47 is: 66,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,174.04 : 121,679.73 = 47,887.47 : x
  2. Step 2: Convert to fraction form
    88,174.04/121,679.73 = 47,887.47/x
  3. Step 3: Cross multiply
    88,174.04x = 121,679.73 × 47,887.47
  4. Step 4: Simplify right side
    88,174.04x = 5,826,934,419.98
  5. Step 5: Solve for x
    x = 5,826,934,419.98/88,174.04
  6. Step 6: Final answer
    x = 66,084.47

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1.5x scale

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.