Home / 105,001.79-144,903.06-57,255.93

Finding the Fourth Proportional to 105,001.79, 144,903.06 and 57,255.93

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Solution

The fourth proportional to 105,001.79, 144,903.06 and 57,255.93 is: 79,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.79 : 144,903.06 = 57,255.93 : x
  2. Step 2: Convert to fraction form
    105,001.79/144,903.06 = 57,255.93/x
  3. Step 3: Cross multiply
    105,001.79x = 144,903.06 × 57,255.93
  4. Step 4: Simplify right side
    105,001.79x = 8,296,559,460.15
  5. Step 5: Solve for x
    x = 8,296,559,460.15/105,001.79
  6. Step 6: Final answer
    x = 79,013.51

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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.