Home / 72,179.48-99,507.62-62,214.06

Finding the Fourth Proportional to 72,179.48, 99,507.62 and 62,214.06

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Solution

The fourth proportional to 72,179.48, 99,507.62 and 62,214.06 is: 85,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,179.48 : 99,507.62 = 62,214.06 : x
  2. Step 2: Convert to fraction form
    72,179.48/99,507.62 = 62,214.06/x
  3. Step 3: Cross multiply
    72,179.48x = 99,507.62 × 62,214.06
  4. Step 4: Simplify right side
    72,179.48x = 6,190,773,041.14
  5. Step 5: Solve for x
    x = 6,190,773,041.14/72,179.48
  6. Step 6: Final answer
    x = 85,769.16

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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.