Home / 105,024.96-157,602.60-42,695.28

Finding the Fourth Proportional to 105,024.96, 157,602.60 and 42,695.28

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Solution

The fourth proportional to 105,024.96, 157,602.60 and 42,695.28 is: 64,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,024.96 : 157,602.60 = 42,695.28 : x
  2. Step 2: Convert to fraction form
    105,024.96/157,602.60 = 42,695.28/x
  3. Step 3: Cross multiply
    105,024.96x = 157,602.60 × 42,695.28
  4. Step 4: Simplify right side
    105,024.96x = 6,728,887,135.73
  5. Step 5: Solve for x
    x = 6,728,887,135.73/105,024.96
  6. Step 6: Final answer
    x = 64,069.41

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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.