Home / 76,560.32-105,618.80-44,710.31

Finding the Fourth Proportional to 76,560.32, 105,618.80 and 44,710.31

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Solution

The fourth proportional to 76,560.32, 105,618.80 and 44,710.31 is: 61,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,560.32 : 105,618.80 = 44,710.31 : x
  2. Step 2: Convert to fraction form
    76,560.32/105,618.80 = 44,710.31/x
  3. Step 3: Cross multiply
    76,560.32x = 105,618.80 × 44,710.31
  4. Step 4: Simplify right side
    76,560.32x = 4,722,249,665.65
  5. Step 5: Solve for x
    x = 4,722,249,665.65/76,560.32
  6. Step 6: Final answer
    x = 61,680.12

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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.