Home / 64,888.02-89,539.25-39,408.33

Finding the Fourth Proportional to 64,888.02, 89,539.25 and 39,408.33

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Solution

The fourth proportional to 64,888.02, 89,539.25 and 39,408.33 is: 54,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.02 : 89,539.25 = 39,408.33 : x
  2. Step 2: Convert to fraction form
    64,888.02/89,539.25 = 39,408.33/x
  3. Step 3: Cross multiply
    64,888.02x = 89,539.25 × 39,408.33
  4. Step 4: Simplify right side
    64,888.02x = 3,528,592,114.91
  5. Step 5: Solve for x
    x = 3,528,592,114.91/64,888.02
  6. Step 6: Final answer
    x = 54,379.72

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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.