Home / 81,266.77-112,160.39-46,805.11

Finding the Fourth Proportional to 81,266.77, 112,160.39 and 46,805.11

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Solution

The fourth proportional to 81,266.77, 112,160.39 and 46,805.11 is: 64,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,266.77 : 112,160.39 = 46,805.11 : x
  2. Step 2: Convert to fraction form
    81,266.77/112,160.39 = 46,805.11/x
  3. Step 3: Cross multiply
    81,266.77x = 112,160.39 × 46,805.11
  4. Step 4: Simplify right side
    81,266.77x = 5,249,679,391.59
  5. Step 5: Solve for x
    x = 5,249,679,391.59/81,266.77
  6. Step 6: Final answer
    x = 64,598.11

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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.