Home / 61,220.18-84,477.36-34,365.65

Finding the Fourth Proportional to 61,220.18, 84,477.36 and 34,365.65

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Solution

The fourth proportional to 61,220.18, 84,477.36 and 34,365.65 is: 47,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.18 : 84,477.36 = 34,365.65 : x
  2. Step 2: Convert to fraction form
    61,220.18/84,477.36 = 34,365.65/x
  3. Step 3: Cross multiply
    61,220.18x = 84,477.36 × 34,365.65
  4. Step 4: Simplify right side
    61,220.18x = 2,903,118,964.30
  5. Step 5: Solve for x
    x = 2,903,118,964.30/61,220.18
  6. Step 6: Final answer
    x = 47,420.95

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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.