Home / 58,994.12-81,347.28-53,395.40

Finding the Fourth Proportional to 58,994.12, 81,347.28 and 53,395.40

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Solution

The fourth proportional to 58,994.12, 81,347.28 and 53,395.40 is: 73,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,994.12 : 81,347.28 = 53,395.40 : x
  2. Step 2: Convert to fraction form
    58,994.12/81,347.28 = 53,395.40/x
  3. Step 3: Cross multiply
    58,994.12x = 81,347.28 × 53,395.40
  4. Step 4: Simplify right side
    58,994.12x = 4,343,570,554.51
  5. Step 5: Solve for x
    x = 4,343,570,554.51/58,994.12
  6. Step 6: Final answer
    x = 73,627.18

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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.