Home / 109,949.81-151,731.02-59,648.81

Finding the Fourth Proportional to 109,949.81, 151,731.02 and 59,648.81

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Solution

The fourth proportional to 109,949.81, 151,731.02 and 59,648.81 is: 82,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.81 : 151,731.02 = 59,648.81 : x
  2. Step 2: Convert to fraction form
    109,949.81/151,731.02 = 59,648.81/x
  3. Step 3: Cross multiply
    109,949.81x = 151,731.02 × 59,648.81
  4. Step 4: Simplify right side
    109,949.81x = 9,050,574,173.55
  5. Step 5: Solve for x
    x = 9,050,574,173.55/109,949.81
  6. Step 6: Final answer
    x = 82,315.51

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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.