Home / 113,962.72-157,278.03-62,985.41

Finding the Fourth Proportional to 113,962.72, 157,278.03 and 62,985.41

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Solution

The fourth proportional to 113,962.72, 157,278.03 and 62,985.41 is: 86,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,962.72 : 157,278.03 = 62,985.41 : x
  2. Step 2: Convert to fraction form
    113,962.72/157,278.03 = 62,985.41/x
  3. Step 3: Cross multiply
    113,962.72x = 157,278.03 × 62,985.41
  4. Step 4: Simplify right side
    113,962.72x = 9,906,220,328.41
  5. Step 5: Solve for x
    x = 9,906,220,328.41/113,962.72
  6. Step 6: Final answer
    x = 86,925.09

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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.