Home / 84,303.29-116,203.42-57,070.79

Finding the Fourth Proportional to 84,303.29, 116,203.42 and 57,070.79

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Solution

The fourth proportional to 84,303.29, 116,203.42 and 57,070.79 is: 78,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,303.29 : 116,203.42 = 57,070.79 : x
  2. Step 2: Convert to fraction form
    84,303.29/116,203.42 = 57,070.79/x
  3. Step 3: Cross multiply
    84,303.29x = 116,203.42 × 57,070.79
  4. Step 4: Simplify right side
    84,303.29x = 6,631,820,694.75
  5. Step 5: Solve for x
    x = 6,631,820,694.75/84,303.29
  6. Step 6: Final answer
    x = 78,666.21

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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.