Home / 84,935.40-127,896.78-62,904.84

Finding the Fourth Proportional to 84,935.40, 127,896.78 and 62,904.84

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Solution

The fourth proportional to 84,935.40, 127,896.78 and 62,904.84 is: 94,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935.40 : 127,896.78 = 62,904.84 : x
  2. Step 2: Convert to fraction form
    84,935.40/127,896.78 = 62,904.84/x
  3. Step 3: Cross multiply
    84,935.40x = 127,896.78 × 62,904.84
  4. Step 4: Simplify right side
    84,935.40x = 8,045,326,482.42
  5. Step 5: Solve for x
    x = 8,045,326,482.42/84,935.40
  6. Step 6: Final answer
    x = 94,722.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.