Home / 102,152.46-153,127.02-48,782.05

Finding the Fourth Proportional to 102,152.46, 153,127.02 and 48,782.05

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Solution

The fourth proportional to 102,152.46, 153,127.02 and 48,782.05 is: 73,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,152.46 : 153,127.02 = 48,782.05 : x
  2. Step 2: Convert to fraction form
    102,152.46/153,127.02 = 48,782.05/x
  3. Step 3: Cross multiply
    102,152.46x = 153,127.02 × 48,782.05
  4. Step 4: Simplify right side
    102,152.46x = 7,469,849,471.71
  5. Step 5: Solve for x
    x = 7,469,849,471.71/102,152.46
  6. Step 6: Final answer
    x = 73,124.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.