Home / 97,405.19-134,417.85-54,385.34

Finding the Fourth Proportional to 97,405.19, 134,417.85 and 54,385.34

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Solution

The fourth proportional to 97,405.19, 134,417.85 and 54,385.34 is: 75,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,405.19 : 134,417.85 = 54,385.34 : x
  2. Step 2: Convert to fraction form
    97,405.19/134,417.85 = 54,385.34/x
  3. Step 3: Cross multiply
    97,405.19x = 134,417.85 × 54,385.34
  4. Step 4: Simplify right side
    97,405.19x = 7,310,360,999.03
  5. Step 5: Solve for x
    x = 7,310,360,999.03/97,405.19
  6. Step 6: Final answer
    x = 75,051.04

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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.