Home / 127,043.16-175,315.15-70,459.80

Finding the Fourth Proportional to 127,043.16, 175,315.15 and 70,459.80

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Solution

The fourth proportional to 127,043.16, 175,315.15 and 70,459.80 is: 97,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,043.16 : 175,315.15 = 70,459.80 : x
  2. Step 2: Convert to fraction form
    127,043.16/175,315.15 = 70,459.80/x
  3. Step 3: Cross multiply
    127,043.16x = 175,315.15 × 70,459.80
  4. Step 4: Simplify right side
    127,043.16x = 12,352,670,405.97
  5. Step 5: Solve for x
    x = 12,352,670,405.97/127,043.16
  6. Step 6: Final answer
    x = 97,232.08

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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.