Home / 76,482.02-105,546.57-42,949.22

Finding the Fourth Proportional to 76,482.02, 105,546.57 and 42,949.22

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Solution

The fourth proportional to 76,482.02, 105,546.57 and 42,949.22 is: 59,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,482.02 : 105,546.57 = 42,949.22 : x
  2. Step 2: Convert to fraction form
    76,482.02/105,546.57 = 42,949.22/x
  3. Step 3: Cross multiply
    76,482.02x = 105,546.57 × 42,949.22
  4. Step 4: Simplify right side
    76,482.02x = 4,533,142,855.18
  5. Step 5: Solve for x
    x = 4,533,142,855.18/76,482.02
  6. Step 6: Final answer
    x = 59,270.70

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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.