Home / 108,330.32-149,493.07-59,931.02

Finding the Fourth Proportional to 108,330.32, 149,493.07 and 59,931.02

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Solution

The fourth proportional to 108,330.32, 149,493.07 and 59,931.02 is: 82,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,330.32 : 149,493.07 = 59,931.02 : x
  2. Step 2: Convert to fraction form
    108,330.32/149,493.07 = 59,931.02/x
  3. Step 3: Cross multiply
    108,330.32x = 149,493.07 × 59,931.02
  4. Step 4: Simplify right side
    108,330.32x = 8,959,272,168.03
  5. Step 5: Solve for x
    x = 8,959,272,168.03/108,330.32
  6. Step 6: Final answer
    x = 82,703.27

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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.