Home / 77,020.07-106,287.80-46,797.35

Finding the Fourth Proportional to 77,020.07, 106,287.80 and 46,797.35

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Solution

The fourth proportional to 77,020.07, 106,287.80 and 46,797.35 is: 64,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.07 : 106,287.80 = 46,797.35 : x
  2. Step 2: Convert to fraction form
    77,020.07/106,287.80 = 46,797.35/x
  3. Step 3: Cross multiply
    77,020.07x = 106,287.80 × 46,797.35
  4. Step 4: Simplify right side
    77,020.07x = 4,973,986,611.90
  5. Step 5: Solve for x
    x = 4,973,986,611.90/77,020.07
  6. Step 6: Final answer
    x = 64,580.40

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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.