Home / 127,459.29-175,886.60-70,869.45

Finding the Fourth Proportional to 127,459.29, 175,886.60 and 70,869.45

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Solution

The fourth proportional to 127,459.29, 175,886.60 and 70,869.45 is: 97,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.29 : 175,886.60 = 70,869.45 : x
  2. Step 2: Convert to fraction form
    127,459.29/175,886.60 = 70,869.45/x
  3. Step 3: Cross multiply
    127,459.29x = 175,886.60 × 70,869.45
  4. Step 4: Simplify right side
    127,459.29x = 12,464,986,250.02
  5. Step 5: Solve for x
    x = 12,464,986,250.02/127,459.29
  6. Step 6: Final answer
    x = 97,795.82

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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.