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Finding the Fourth Proportional to 86,487.08, 119,352.10 and 46,743.08

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Solution

The fourth proportional to 86,487.08, 119,352.10 and 46,743.08 is: 64,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,487.08 : 119,352.10 = 46,743.08 : x
  2. Step 2: Convert to fraction form
    86,487.08/119,352.10 = 46,743.08/x
  3. Step 3: Cross multiply
    86,487.08x = 119,352.10 × 46,743.08
  4. Step 4: Simplify right side
    86,487.08x = 5,578,884,758.47
  5. Step 5: Solve for x
    x = 5,578,884,758.47/86,487.08
  6. Step 6: Final answer
    x = 64,505.41

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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.