Home / 88,378.02-132,567.03-72,762.84

Finding the Fourth Proportional to 88,378.02, 132,567.03 and 72,762.84

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Solution

The fourth proportional to 88,378.02, 132,567.03 and 72,762.84 is: 109,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,378.02 : 132,567.03 = 72,762.84 : x
  2. Step 2: Convert to fraction form
    88,378.02/132,567.03 = 72,762.84/x
  3. Step 3: Cross multiply
    88,378.02x = 132,567.03 × 72,762.84
  4. Step 4: Simplify right side
    88,378.02x = 9,645,953,593.17
  5. Step 5: Solve for x
    x = 9,645,953,593.17/88,378.02
  6. Step 6: Final answer
    x = 109,144.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.