Home / 61,900.36-85,427.02-34,678.84

Finding the Fourth Proportional to 61,900.36, 85,427.02 and 34,678.84

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Solution

The fourth proportional to 61,900.36, 85,427.02 and 34,678.84 is: 47,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,900.36 : 85,427.02 = 34,678.84 : x
  2. Step 2: Convert to fraction form
    61,900.36/85,427.02 = 34,678.84/x
  3. Step 3: Cross multiply
    61,900.36x = 85,427.02 × 34,678.84
  4. Step 4: Simplify right side
    61,900.36x = 2,962,509,958.26
  5. Step 5: Solve for x
    x = 2,962,509,958.26/61,900.36
  6. Step 6: Final answer
    x = 47,859.33

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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.