Home / 113,782.50-157,018.74-62,795.70

Finding the Fourth Proportional to 113,782.50, 157,018.74 and 62,795.70

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Solution

The fourth proportional to 113,782.50, 157,018.74 and 62,795.70 is: 86,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,782.50 : 157,018.74 = 62,795.70 : x
  2. Step 2: Convert to fraction form
    113,782.50/157,018.74 = 62,795.70/x
  3. Step 3: Cross multiply
    113,782.50x = 157,018.74 × 62,795.70
  4. Step 4: Simplify right side
    113,782.50x = 9,860,101,691.42
  5. Step 5: Solve for x
    x = 9,860,101,691.42/113,782.50
  6. Step 6: Final answer
    x = 86,657.45

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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.