Home / 63,157.16-87,157.60-34,862.86

Finding the Fourth Proportional to 63,157.16, 87,157.60 and 34,862.86

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Solution

The fourth proportional to 63,157.16, 87,157.60 and 34,862.86 is: 48,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,157.16 : 87,157.60 = 34,862.86 : x
  2. Step 2: Convert to fraction form
    63,157.16/87,157.60 = 34,862.86/x
  3. Step 3: Cross multiply
    63,157.16x = 87,157.60 × 34,862.86
  4. Step 4: Simplify right side
    63,157.16x = 3,038,563,206.74
  5. Step 5: Solve for x
    x = 3,038,563,206.74/63,157.16
  6. Step 6: Final answer
    x = 48,111.14

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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.