Home / 127,114.51-175,413.85-70,530.07

Finding the Fourth Proportional to 127,114.51, 175,413.85 and 70,530.07

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Solution

The fourth proportional to 127,114.51, 175,413.85 and 70,530.07 is: 97,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.51 : 175,413.85 = 70,530.07 : x
  2. Step 2: Convert to fraction form
    127,114.51/175,413.85 = 70,530.07/x
  3. Step 3: Cross multiply
    127,114.51x = 175,413.85 × 70,530.07
  4. Step 4: Simplify right side
    127,114.51x = 12,371,951,119.47
  5. Step 5: Solve for x
    x = 12,371,951,119.47/127,114.51
  6. Step 6: Final answer
    x = 97,329.18

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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.