Home / 62,870.12-86,762.60-34,577.64

Finding the Fourth Proportional to 62,870.12, 86,762.60 and 34,577.64

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Solution

The fourth proportional to 62,870.12, 86,762.60 and 34,577.64 is: 47,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,870.12 : 86,762.60 = 34,577.64 : x
  2. Step 2: Convert to fraction form
    62,870.12/86,762.60 = 34,577.64/x
  3. Step 3: Cross multiply
    62,870.12x = 86,762.60 × 34,577.64
  4. Step 4: Simplify right side
    62,870.12x = 3,000,045,948.26
  5. Step 5: Solve for x
    x = 3,000,045,948.26/62,870.12
  6. Step 6: Final answer
    x = 47,718.15

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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.