Home / 108,534.32-149,778.06-60,787.67

Finding the Fourth Proportional to 108,534.32, 149,778.06 and 60,787.67

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Solution

The fourth proportional to 108,534.32, 149,778.06 and 60,787.67 is: 83,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,534.32 : 149,778.06 = 60,787.67 : x
  2. Step 2: Convert to fraction form
    108,534.32/149,778.06 = 60,787.67/x
  3. Step 3: Cross multiply
    108,534.32x = 149,778.06 × 60,787.67
  4. Step 4: Simplify right side
    108,534.32x = 9,104,658,649.61
  5. Step 5: Solve for x
    x = 9,104,658,649.61/108,534.32
  6. Step 6: Final answer
    x = 83,887.37

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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.