Home / 88,111.34-121,590.40-47,824.26

Finding the Fourth Proportional to 88,111.34, 121,590.40 and 47,824.26

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Solution

The fourth proportional to 88,111.34, 121,590.40 and 47,824.26 is: 65,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,111.34 : 121,590.40 = 47,824.26 : x
  2. Step 2: Convert to fraction form
    88,111.34/121,590.40 = 47,824.26/x
  3. Step 3: Cross multiply
    88,111.34x = 121,590.40 × 47,824.26
  4. Step 4: Simplify right side
    88,111.34x = 5,814,970,417.25
  5. Step 5: Solve for x
    x = 5,814,970,417.25/88,111.34
  6. Step 6: Final answer
    x = 65,995.71

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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.