Home / 63,070.08-86,987.48-40,411.18

Finding the Fourth Proportional to 63,070.08, 86,987.48 and 40,411.18

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Solution

The fourth proportional to 63,070.08, 86,987.48 and 40,411.18 is: 55,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.08 : 86,987.48 = 40,411.18 : x
  2. Step 2: Convert to fraction form
    63,070.08/86,987.48 = 40,411.18/x
  3. Step 3: Cross multiply
    63,070.08x = 86,987.48 × 40,411.18
  4. Step 4: Simplify right side
    63,070.08x = 3,515,266,712.03
  5. Step 5: Solve for x
    x = 3,515,266,712.03/63,070.08
  6. Step 6: Final answer
    x = 55,735.88

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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.