Home / 63,155.10-87,153.36-34,860.18

Finding the Fourth Proportional to 63,155.10, 87,153.36 and 34,860.18

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Solution

The fourth proportional to 63,155.10, 87,153.36 and 34,860.18 is: 48,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.10 : 87,153.36 = 34,860.18 : x
  2. Step 2: Convert to fraction form
    63,155.10/87,153.36 = 34,860.18/x
  3. Step 3: Cross multiply
    63,155.10x = 87,153.36 × 34,860.18
  4. Step 4: Simplify right side
    63,155.10x = 3,038,181,817.20
  5. Step 5: Solve for x
    x = 3,038,181,817.20/63,155.10
  6. Step 6: Final answer
    x = 48,106.67

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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.