Home / 109,878.21-151,632.02-59,577.21

Finding the Fourth Proportional to 109,878.21, 151,632.02 and 59,577.21

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Solution

The fourth proportional to 109,878.21, 151,632.02 and 59,577.21 is: 82,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,878.21 : 151,632.02 = 59,577.21 : x
  2. Step 2: Convert to fraction form
    109,878.21/151,632.02 = 59,577.21/x
  3. Step 3: Cross multiply
    109,878.21x = 151,632.02 × 59,577.21
  4. Step 4: Simplify right side
    109,878.21x = 9,033,812,400.38
  5. Step 5: Solve for x
    x = 9,033,812,400.38/109,878.21
  6. Step 6: Final answer
    x = 82,216.60

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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.