Home / 61,388.50-84,720.41-34,533.58

Finding the Fourth Proportional to 61,388.50, 84,720.41 and 34,533.58

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Solution

The fourth proportional to 61,388.50, 84,720.41 and 34,533.58 is: 47,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,388.50 : 84,720.41 = 34,533.58 : x
  2. Step 2: Convert to fraction form
    61,388.50/84,720.41 = 34,533.58/x
  3. Step 3: Cross multiply
    61,388.50x = 84,720.41 × 34,533.58
  4. Step 4: Simplify right side
    61,388.50x = 2,925,699,056.37
  5. Step 5: Solve for x
    x = 2,925,699,056.37/61,388.50
  6. Step 6: Final answer
    x = 47,658.75

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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.