Home / 76,539.42-105,626.69-46,330.28

Finding the Fourth Proportional to 76,539.42, 105,626.69 and 46,330.28

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Solution

The fourth proportional to 76,539.42, 105,626.69 and 46,330.28 is: 63,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,539.42 : 105,626.69 = 46,330.28 : x
  2. Step 2: Convert to fraction form
    76,539.42/105,626.69 = 46,330.28/x
  3. Step 3: Cross multiply
    76,539.42x = 105,626.69 × 46,330.28
  4. Step 4: Simplify right side
    76,539.42x = 4,893,713,363.39
  5. Step 5: Solve for x
    x = 4,893,713,363.39/76,539.42
  6. Step 6: Final answer
    x = 63,937.16

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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.