Home / 86,580.90-129,762.94-46,501.39

Finding the Fourth Proportional to 86,580.90, 129,762.94 and 46,501.39

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Solution

The fourth proportional to 86,580.90, 129,762.94 and 46,501.39 is: 69,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580.90 : 129,762.94 = 46,501.39 : x
  2. Step 2: Convert to fraction form
    86,580.90/129,762.94 = 46,501.39/x
  3. Step 3: Cross multiply
    86,580.90x = 129,762.94 × 46,501.39
  4. Step 4: Simplify right side
    86,580.90x = 6,034,157,082.84
  5. Step 5: Solve for x
    x = 6,034,157,082.84/86,580.90
  6. Step 6: Final answer
    x = 69,693.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.