Home / 64,881.16-97,075.20-39,587.54

Finding the Fourth Proportional to 64,881.16, 97,075.20 and 39,587.54

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Solution

The fourth proportional to 64,881.16, 97,075.20 and 39,587.54 is: 59,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.16 : 97,075.20 = 39,587.54 : x
  2. Step 2: Convert to fraction form
    64,881.16/97,075.20 = 39,587.54/x
  3. Step 3: Cross multiply
    64,881.16x = 97,075.20 × 39,587.54
  4. Step 4: Simplify right side
    64,881.16x = 3,842,968,363.01
  5. Step 5: Solve for x
    x = 3,842,968,363.01/64,881.16
  6. Step 6: Final answer
    x = 59,230.88

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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.