Home / 113,829.02-157,085.32-62,841.78

Finding the Fourth Proportional to 113,829.02, 157,085.32 and 62,841.78

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Solution

The fourth proportional to 113,829.02, 157,085.32 and 62,841.78 is: 86,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,829.02 : 157,085.32 = 62,841.78 : x
  2. Step 2: Convert to fraction form
    113,829.02/157,085.32 = 62,841.78/x
  3. Step 3: Cross multiply
    113,829.02x = 157,085.32 × 62,841.78
  4. Step 4: Simplify right side
    113,829.02x = 9,871,521,120.67
  5. Step 5: Solve for x
    x = 9,871,521,120.67/113,829.02
  6. Step 6: Final answer
    x = 86,722.36

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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.