Home / 93,748.55-129,238.52-66,844.40

Finding the Fourth Proportional to 93,748.55, 129,238.52 and 66,844.40

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Solution

The fourth proportional to 93,748.55, 129,238.52 and 66,844.40 is: 92,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,748.55 : 129,238.52 = 66,844.40 : x
  2. Step 2: Convert to fraction form
    93,748.55/129,238.52 = 66,844.40/x
  3. Step 3: Cross multiply
    93,748.55x = 129,238.52 × 66,844.40
  4. Step 4: Simplify right side
    93,748.55x = 8,638,871,315.16
  5. Step 5: Solve for x
    x = 8,638,871,315.16/93,748.55
  6. Step 6: Final answer
    x = 92,149.38

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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.