Home / 61,807.27-85,141.35-52,702.98

Finding the Fourth Proportional to 61,807.27, 85,141.35 and 52,702.98

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Solution

The fourth proportional to 61,807.27, 85,141.35 and 52,702.98 is: 72,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807.27 : 85,141.35 = 52,702.98 : x
  2. Step 2: Convert to fraction form
    61,807.27/85,141.35 = 52,702.98/x
  3. Step 3: Cross multiply
    61,807.27x = 85,141.35 × 52,702.98
  4. Step 4: Simplify right side
    61,807.27x = 4,487,203,413.55
  5. Step 5: Solve for x
    x = 4,487,203,413.55/61,807.27
  6. Step 6: Final answer
    x = 72,599.93

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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.