Home / 76,353.74-105,366.02-42,362.06

Finding the Fourth Proportional to 76,353.74, 105,366.02 and 42,362.06

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Solution

The fourth proportional to 76,353.74, 105,366.02 and 42,362.06 is: 58,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,353.74 : 105,366.02 = 42,362.06 : x
  2. Step 2: Convert to fraction form
    76,353.74/105,366.02 = 42,362.06/x
  3. Step 3: Cross multiply
    76,353.74x = 105,366.02 × 42,362.06
  4. Step 4: Simplify right side
    76,353.74x = 4,463,521,661.20
  5. Step 5: Solve for x
    x = 4,463,521,661.20/76,353.74
  6. Step 6: Final answer
    x = 58,458.45

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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.