Home / 127,041.61-175,317.67-69,681.40

Finding the Fourth Proportional to 127,041.61, 175,317.67 and 69,681.40

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Solution

The fourth proportional to 127,041.61, 175,317.67 and 69,681.40 is: 96,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,041.61 : 175,317.67 = 69,681.40 : x
  2. Step 2: Convert to fraction form
    127,041.61/175,317.67 = 69,681.40/x
  3. Step 3: Cross multiply
    127,041.61x = 175,317.67 × 69,681.40
  4. Step 4: Simplify right side
    127,041.61x = 12,216,380,628.17
  5. Step 5: Solve for x
    x = 12,216,380,628.17/127,041.61
  6. Step 6: Final answer
    x = 96,160.47

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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.