Home / 125,413.30-173,058.91-74,417.24

Finding the Fourth Proportional to 125,413.30, 173,058.91 and 74,417.24

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Solution

The fourth proportional to 125,413.30, 173,058.91 and 74,417.24 is: 102,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,413.30 : 173,058.91 = 74,417.24 : x
  2. Step 2: Convert to fraction form
    125,413.30/173,058.91 = 74,417.24/x
  3. Step 3: Cross multiply
    125,413.30x = 173,058.91 × 74,417.24
  4. Step 4: Simplify right side
    125,413.30x = 12,878,566,439.61
  5. Step 5: Solve for x
    x = 12,878,566,439.61/125,413.30
  6. Step 6: Final answer
    x = 102,689.00

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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.