Home / 103,636.12-155,445.24-63,099.13

Finding the Fourth Proportional to 103,636.12, 155,445.24 and 63,099.13

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Solution

The fourth proportional to 103,636.12, 155,445.24 and 63,099.13 is: 94,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.12 : 155,445.24 = 63,099.13 : x
  2. Step 2: Convert to fraction form
    103,636.12/155,445.24 = 63,099.13/x
  3. Step 3: Cross multiply
    103,636.12x = 155,445.24 × 63,099.13
  4. Step 4: Simplify right side
    103,636.12x = 9,808,459,406.64
  5. Step 5: Solve for x
    x = 9,808,459,406.64/103,636.12
  6. Step 6: Final answer
    x = 94,643.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.