Home / 74,065.17-111,127.02-29,685.68

Finding the Fourth Proportional to 74,065.17, 111,127.02 and 29,685.68

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Solution

The fourth proportional to 74,065.17, 111,127.02 and 29,685.68 is: 44,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,065.17 : 111,127.02 = 29,685.68 : x
  2. Step 2: Convert to fraction form
    74,065.17/111,127.02 = 29,685.68/x
  3. Step 3: Cross multiply
    74,065.17x = 111,127.02 × 29,685.68
  4. Step 4: Simplify right side
    74,065.17x = 3,298,881,155.07
  5. Step 5: Solve for x
    x = 3,298,881,155.07/74,065.17
  6. Step 6: Final answer
    x = 44,540.25

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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.