Home / 124,002.09-171,123.03-67,413.47

Finding the Fourth Proportional to 124,002.09, 171,123.03 and 67,413.47

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Solution

The fourth proportional to 124,002.09, 171,123.03 and 67,413.47 is: 93,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,002.09 : 171,123.03 = 67,413.47 : x
  2. Step 2: Convert to fraction form
    124,002.09/171,123.03 = 67,413.47/x
  3. Step 3: Cross multiply
    124,002.09x = 171,123.03 × 67,413.47
  4. Step 4: Simplify right side
    124,002.09x = 11,535,996,393.60
  5. Step 5: Solve for x
    x = 11,535,996,393.60/124,002.09
  6. Step 6: Final answer
    x = 93,030.66

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1.5x scale

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.