Home / 58,971.90-81,460.84-47,118.36

Finding the Fourth Proportional to 58,971.90, 81,460.84 and 47,118.36

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Solution

The fourth proportional to 58,971.90, 81,460.84 and 47,118.36 is: 65,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,971.90 : 81,460.84 = 47,118.36 : x
  2. Step 2: Convert to fraction form
    58,971.90/81,460.84 = 47,118.36/x
  3. Step 3: Cross multiply
    58,971.90x = 81,460.84 × 47,118.36
  4. Step 4: Simplify right side
    58,971.90x = 3,838,301,185.02
  5. Step 5: Solve for x
    x = 3,838,301,185.02/58,971.90
  6. Step 6: Final answer
    x = 65,086.95

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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.