Home / 105,614.84-145,746.60-62,623.28

Finding the Fourth Proportional to 105,614.84, 145,746.60 and 62,623.28

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Solution

The fourth proportional to 105,614.84, 145,746.60 and 62,623.28 is: 86,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,614.84 : 145,746.60 = 62,623.28 : x
  2. Step 2: Convert to fraction form
    105,614.84/145,746.60 = 62,623.28/x
  3. Step 3: Cross multiply
    105,614.84x = 145,746.60 × 62,623.28
  4. Step 4: Simplify right side
    105,614.84x = 9,127,130,140.85
  5. Step 5: Solve for x
    x = 9,127,130,140.85/105,614.84
  6. Step 6: Final answer
    x = 86,419.01

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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.