Home / 63,157.15-87,157.59-34,862.86

Finding the Fourth Proportional to 63,157.15, 87,157.59 and 34,862.86

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Solution

The fourth proportional to 63,157.15, 87,157.59 and 34,862.86 is: 48,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.15 : 87,157.59 = 34,862.86 : x
  2. Step 2: Convert to fraction form
    63,157.15/87,157.59 = 34,862.86/x
  3. Step 3: Cross multiply
    63,157.15x = 87,157.59 × 34,862.86
  4. Step 4: Simplify right side
    63,157.15x = 3,038,562,858.11
  5. Step 5: Solve for x
    x = 3,038,562,858.11/63,157.15
  6. Step 6: Final answer
    x = 48,111.15

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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.