Home / 97,111.13-134,015.87-54,671.18

Finding the Fourth Proportional to 97,111.13, 134,015.87 and 54,671.18

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Solution

The fourth proportional to 97,111.13, 134,015.87 and 54,671.18 is: 75,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,111.13 : 134,015.87 = 54,671.18 : x
  2. Step 2: Convert to fraction form
    97,111.13/134,015.87 = 54,671.18/x
  3. Step 3: Cross multiply
    97,111.13x = 134,015.87 × 54,671.18
  4. Step 4: Simplify right side
    97,111.13x = 7,326,805,478.27
  5. Step 5: Solve for x
    x = 7,326,805,478.27/97,111.13
  6. Step 6: Final answer
    x = 75,447.64

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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.