Home / 112,324.42-155,008.02-61,337.62

Finding the Fourth Proportional to 112,324.42, 155,008.02 and 61,337.62

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Solution

The fourth proportional to 112,324.42, 155,008.02 and 61,337.62 is: 84,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,324.42 : 155,008.02 = 61,337.62 : x
  2. Step 2: Convert to fraction form
    112,324.42/155,008.02 = 61,337.62/x
  3. Step 3: Cross multiply
    112,324.42x = 155,008.02 × 61,337.62
  4. Step 4: Simplify right side
    112,324.42x = 9,507,823,027.71
  5. Step 5: Solve for x
    x = 9,507,823,027.71/112,324.42
  6. Step 6: Final answer
    x = 84,646.09

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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.