Home / 84,275.04-116,149.15-63,808.07

Finding the Fourth Proportional to 84,275.04, 116,149.15 and 63,808.07

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Solution

The fourth proportional to 84,275.04, 116,149.15 and 63,808.07 is: 87,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,275.04 : 116,149.15 = 63,808.07 : x
  2. Step 2: Convert to fraction form
    84,275.04/116,149.15 = 63,808.07/x
  3. Step 3: Cross multiply
    84,275.04x = 116,149.15 × 63,808.07
  4. Step 4: Simplify right side
    84,275.04x = 7,411,252,592.65
  5. Step 5: Solve for x
    x = 7,411,252,592.65/84,275.04
  6. Step 6: Final answer
    x = 87,941.25

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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.