Home / 76,482.44-105,528.62-42,946.28

Finding the Fourth Proportional to 76,482.44, 105,528.62 and 42,946.28

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Solution

The fourth proportional to 76,482.44, 105,528.62 and 42,946.28 is: 59,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,482.44 : 105,528.62 = 42,946.28 : x
  2. Step 2: Convert to fraction form
    76,482.44/105,528.62 = 42,946.28/x
  3. Step 3: Cross multiply
    76,482.44x = 105,528.62 × 42,946.28
  4. Step 4: Simplify right side
    76,482.44x = 4,532,061,662.53
  5. Step 5: Solve for x
    x = 4,532,061,662.53/76,482.44
  6. Step 6: Final answer
    x = 59,256.24

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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.