Home / 61,213.13-84,478.15-34,357.46

Finding the Fourth Proportional to 61,213.13, 84,478.15 and 34,357.46

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Solution

The fourth proportional to 61,213.13, 84,478.15 and 34,357.46 is: 47,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,213.13 : 84,478.15 = 34,357.46 : x
  2. Step 2: Convert to fraction form
    61,213.13/84,478.15 = 34,357.46/x
  3. Step 3: Cross multiply
    61,213.13x = 84,478.15 × 34,357.46
  4. Step 4: Simplify right side
    61,213.13x = 2,902,454,280.06
  5. Step 5: Solve for x
    x = 2,902,454,280.06/61,213.13
  6. Step 6: Final answer
    x = 47,415.55

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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.