Home / 101,271.05-151,587.63-69,495.32

Finding the Fourth Proportional to 101,271.05, 151,587.63 and 69,495.32

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Solution

The fourth proportional to 101,271.05, 151,587.63 and 69,495.32 is: 104,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,271.05 : 151,587.63 = 69,495.32 : x
  2. Step 2: Convert to fraction form
    101,271.05/151,587.63 = 69,495.32/x
  3. Step 3: Cross multiply
    101,271.05x = 151,587.63 × 69,495.32
  4. Step 4: Simplify right side
    101,271.05x = 10,534,630,854.89
  5. Step 5: Solve for x
    x = 10,534,630,854.89/101,271.05
  6. Step 6: Final answer
    x = 104,024.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.