Home / 83,971.12-115,881.24-46,248.16

Finding the Fourth Proportional to 83,971.12, 115,881.24 and 46,248.16

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Solution

The fourth proportional to 83,971.12, 115,881.24 and 46,248.16 is: 63,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.12 : 115,881.24 = 46,248.16 : x
  2. Step 2: Convert to fraction form
    83,971.12/115,881.24 = 46,248.16/x
  3. Step 3: Cross multiply
    83,971.12x = 115,881.24 × 46,248.16
  4. Step 4: Simplify right side
    83,971.12x = 5,359,294,128.52
  5. Step 5: Solve for x
    x = 5,359,294,128.52/83,971.12
  6. Step 6: Final answer
    x = 63,823.06

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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.