Home / 113,603.06-156,779.07-62,615.72

Finding the Fourth Proportional to 113,603.06, 156,779.07 and 62,615.72

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Solution

The fourth proportional to 113,603.06, 156,779.07 and 62,615.72 is: 86,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603.06 : 156,779.07 = 62,615.72 : x
  2. Step 2: Convert to fraction form
    113,603.06/156,779.07 = 62,615.72/x
  3. Step 3: Cross multiply
    113,603.06x = 156,779.07 × 62,615.72
  4. Step 4: Simplify right side
    113,603.06x = 9,816,834,348.98
  5. Step 5: Solve for x
    x = 9,816,834,348.98/113,603.06
  6. Step 6: Final answer
    x = 86,413.47

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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.