Home / 62,705.32-86,534.40-34,413.64

Finding the Fourth Proportional to 62,705.32, 86,534.40 and 34,413.64

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Solution

The fourth proportional to 62,705.32, 86,534.40 and 34,413.64 is: 47,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,705.32 : 86,534.40 = 34,413.64 : x
  2. Step 2: Convert to fraction form
    62,705.32/86,534.40 = 34,413.64/x
  3. Step 3: Cross multiply
    62,705.32x = 86,534.40 × 34,413.64
  4. Step 4: Simplify right side
    62,705.32x = 2,977,963,689.22
  5. Step 5: Solve for x
    x = 2,977,963,689.22/62,705.32
  6. Step 6: Final answer
    x = 47,491.40

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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.