Home / 86,221.04-118,967.18-50,404.10

Finding the Fourth Proportional to 86,221.04, 118,967.18 and 50,404.10

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Solution

The fourth proportional to 86,221.04, 118,967.18 and 50,404.10 is: 69,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221.04 : 118,967.18 = 50,404.10 : x
  2. Step 2: Convert to fraction form
    86,221.04/118,967.18 = 50,404.10/x
  3. Step 3: Cross multiply
    86,221.04x = 118,967.18 × 50,404.10
  4. Step 4: Simplify right side
    86,221.04x = 5,996,433,637.44
  5. Step 5: Solve for x
    x = 5,996,433,637.44/86,221.04
  6. Step 6: Final answer
    x = 69,547.22

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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.