Home / 124,168.95-171,386.10-76,462.28

Finding the Fourth Proportional to 124,168.95, 171,386.10 and 76,462.28

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Solution

The fourth proportional to 124,168.95, 171,386.10 and 76,462.28 is: 105,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,168.95 : 171,386.10 = 76,462.28 : x
  2. Step 2: Convert to fraction form
    124,168.95/171,386.10 = 76,462.28/x
  3. Step 3: Cross multiply
    124,168.95x = 171,386.10 × 76,462.28
  4. Step 4: Simplify right side
    124,168.95x = 13,104,571,966.31
  5. Step 5: Solve for x
    x = 13,104,571,966.31/124,168.95
  6. Step 6: Final answer
    x = 105,538.24

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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.