Home / 61,108.32-84,328.70-34,250.78

Finding the Fourth Proportional to 61,108.32, 84,328.70 and 34,250.78

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Solution

The fourth proportional to 61,108.32, 84,328.70 and 34,250.78 is: 47,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,108.32 : 84,328.70 = 34,250.78 : x
  2. Step 2: Convert to fraction form
    61,108.32/84,328.70 = 34,250.78/x
  3. Step 3: Cross multiply
    61,108.32x = 84,328.70 × 34,250.78
  4. Step 4: Simplify right side
    61,108.32x = 2,888,323,751.39
  5. Step 5: Solve for x
    x = 2,888,323,751.39/61,108.32
  6. Step 6: Final answer
    x = 47,265.64

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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.